Ruby Labs

Develop and maintain scalable web applications using Next.js and Node.js, ensuring security, performance, and integration with analytics tools. | Experience with Next.js, Node.js frameworks like Fastify, PostgreSQL or similar databases, ORM tools, caching strategies, Docker, security practices, and analytics tools. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role We’re looking for a Senior Full-Stack Engineer to help build and scale a modern web platform using Next.js and Fastify. You’ll take ownership of complex features across the stack, contribute to architectural decisions, and ensure high standards for performance, security, and reliability. You’ll work closely with product and analytics teams to implement data-driven improvements, integrate analytics, and run A/B tests that enhance the user experience. The role also involves researching and adopting new technologies, including AI-driven solutions, to continuously improve both the product and development workflows. As a senior team member, you’ll mentor other engineers, promote best practices, and clearly communicate technical concepts to a wide range of stakeholders. This role is ideal for someone with a strong product mindset who enjoys building scalable, high-quality systems end to end. Key Responsibilities FullStack Development: Take an active, hands-on role in developing complex features and modules using Next.js for the frontend and NodeJS for the backend. Quality Assurance: Enforce best practices in coding, testing, caching, and performance monitoring to ensure a robust and scalable application. Security: Design and implement comprehensive security measures at the application, infrastructure, and data levels. Analytics & Optimization: Collaborate closely with the product team to integrate analytics systems and conduct A/B tests to enhance the user experience. Innovation: Research and integrate emerging technologies, particularly AI-driven solutions, to improve the product and streamline development workflows. Qualifications ​​Next.js: A minimum of 2 years of active, commercial experience with Next.js (v14.x/v15.x). Must have worked on at least two recent projects where Next.js was the primary frontend framework. NodeJS: Deep knowledge and at least 3 years of hands-on experience with a modern framework such as NestJS, Fastify, or Hono. A clear understanding of their architectural trade-offs is required. Databases: Strong proficiency with PostgreSQL and/or Supabase, including query optimization and schema design. ORM: In-depth, practical knowledge of Prisma or Drizzle ORM, with experience in building complex queries and managing migrations. Caching: A profound understanding of caching strategies (e.g., in-memory, distributed cache, CDN) and the ability to apply them effectively to optimize performance (e.g., using Redis). Docker: Full proficiency with Docker for creating, managing, and deploying containerized applications. Experience with docker-compose is essential. Workers & Queues: Understanding and practical application of background workers and message queues (e.g., BullMQ, RabbitMQ) for handling asynchronous tasks. Security: Proven experience in building secure systems, including protecting against common vulnerabilities (OWASP Top 10), configuring Content Security Policy (CSP), CORS, securing APIs, and hardening hosting environments. Analytics & A/B Testing: Experience working with analytics tools (e.g., Google Analytics, PostHog, Mixpanel) and platforms for A/B testing. Mentorship: A genuine passion for teaching, sharing knowledge, and helping team members grow professionally. Communication: Excellent communication skills, with the ability to articulate complex technical concepts clearly to both technical and non-technical stakeholders. Product Mindset: The ability to understand business objectives and translate them into technical solutions that deliver real value to users. Nice to have Experience with CI/CD pipelines (e.g., GitHub Actions, GitLab CI). Experience with monorepo tools (e.g., Turborepo, Nx). Experience writing unit and integration tests (e.g., Jest, Playwright). Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1tzxGX4Uu7Ts_HCLFXESKLnKaaBfVCPf1f9AYZPrkjJM/preview?tab=t.0 Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: Recruiter Screening (40 minutes) Technical Interview (60 minutes) Final Interview (30 minutes) Life at Ruby Labs At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success. #LI-Remote

Develop and maintain complex full-stack applications with a focus on security, performance, and scalability, while collaborating with product teams and mentoring others. | Extensive experience with Next.js, Node.js frameworks like NestJS or Fastify, PostgreSQL, ORM tools like Prisma, caching strategies, Docker, message queues, security practices, and analytics/A-B testing. | Job Description: • FullStack Development: Take an active, hands-on role in developing complex features and modules using Next.js for the frontend and NodeJS for the backend. • Quality Assurance: Enforce best practices in coding, testing, caching, and performance monitoring to ensure a robust and scalable application. • Security: Design and implement comprehensive security measures at the application, infrastructure, and data levels. • Analytics & Optimization: Collaborate closely with the product team to integrate analytics systems and conduct A/B tests to enhance the user experience. • Innovation: Research and integrate emerging technologies, particularly AI-driven solutions, to improve the product and streamline development workflows. Requirements: • Next.js: A minimum of 2 years of active, commercial experience with Next.js (v14.x/v15.x). Must have worked on at least two recent projects where Next.js was the primary frontend framework. • NodeJS: Deep knowledge and at least 3 years of hands-on experience with a modern framework such as NestJS, Fastify, or Hono. A clear understanding of their architectural trade-offs is required. • Databases: Strong proficiency with PostgreSQL and/or Supabase, including query optimization and schema design. • ORM: In-depth, practical knowledge of Prisma or Drizzle ORM, with experience in building complex queries and managing migrations. • Caching: A profound understanding of caching strategies (e.g., in-memory, distributed cache, CDN) and the ability to apply them effectively to optimize performance (e.g., using Redis). • Docker: Full proficiency with Docker for creating, managing, and deploying containerized applications. Experience with docker-compose is essential. • Workers & Queues: Understanding and practical application of background workers and message queues (e.g., BullMQ, RabbitMQ) for handling asynchronous tasks. • Security: Proven experience in building secure systems, including protecting against common vulnerabilities (OWASP Top 10), configuring Content Security Policy (CSP), CORS, securing APIs, and hardening hosting environments. • Analytics & A/B Testing: Experience working with analytics tools (e.g., Google Analytics, PostHog, Mixpanel) and platforms for A/B testing. • Mentorship: A genuine passion for teaching, sharing knowledge, and helping team members grow professionally. • Communication: Excellent communication skills, with the ability to articulate complex technical concepts clearly to both technical and non-technical stakeholders. • Product Mindset: The ability to understand business objectives and translate them into technical solutions that deliver real value to users. Benefits: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1tzxGX4Uu7Ts_HCLFXESKLnKaaBfVCPf1f9AYZPrkjJM/preview?tab=t.0

Design, build, and optimize backend systems with a focus on scalability, reliability, and performance, including monitoring and incident management. | Deep expertise in distributed systems, backend architecture, Node.js, AWS, Redis, and observability tools, with proven experience in designing resilient systems. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role At RubyLabs we’re hiring a Senior Backend Engineer to help design, build, and scale the core backend systems that power our AI product Use.ai. This is a high-ownership role for an engineer who loves solving distributed systems challenges and driving both feature delivery and infrastructure excellence. This position requires close collaboration with our development team to ensure consistency, quality, and alignment across all projects. Key Responsibilities Bring 8+ years of overall professional experience, ideally including lead-level experience on the position of Lead Backend Developer. Deliver new backend features with a focus on scalability, performance, and reliability. Maintain, optimize, and improve existing services and infrastructure. Design, deploy, and operate backend services across AWS, Cloudflare, and other environments. Implement and evolve monitoring and observability using tools such as Sentry, OpenTelemetry (OTel), logging, alerting, and related platforms. Investigate and resolve production issues across distributed systems. Write clean, maintainable code aligned with SOLID principles, system design, and backend best practices. Lead incident investigations, root cause analysis, and system reliability improvements. Contribute to architectural decisions, documentation, and infrastructure planning. Collaborate with high standards for communication, ownership, and delivery. Qualifications Deep expertise in distributed systems, system design, and backend architecture. Strong understanding of database fundamentals, indexing, consistency, replication, transactions, and storage trade-offs. Proven ability to design scalable and resilient systems. Fluency in Node.js backend development. Strong grasp of software engineering principles, including SOLID. Experience debugging complex issues in production environments. Experience with cloud infrastructure (AWS) and backend service deployment. Experience implementing monitoring and observability using tools such as Sentry and OpenTelemetry (OTel), including tracing, logging, and alerting. High standards for code quality, reliability, and communication. Deep knowledge of Redis, including caching, pub/sub, queues, replication, persistence, and performance tuning. Strong experience with AWS services, including compute, serverless, networking, storage, security, and infrastructure-as-code. Experience with Cloudflare Workers, edge routing, caching, and security primitives. Familiarity with Sentry performance monitoring and OpenTelemetry instrumentation at scale. Comfortable working in timezone ±2 hours from UK time. Nice to have Experience working in startup environments or small, high-autonomy engineering teams. Passion for building and improving infrastructure, developer experience, and observability. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1tzxGX4Uu7Ts_HCLFXESKLnKaaBfVCPf1f9AYZPrkjJM/preview?tab=t.0 Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: Recruiter Screening (40 minutes) First Interview (30 minutes) Technical Interview (45 minutes) Final Interview (30 minutes) Life at Ruby Labs At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success. #LI-Remote

Building and scaling full-stack web applications with a focus on security, performance, and innovation. | Extensive experience with Next.js, NestJS or similar frameworks, PostgreSQL, Prisma, Docker, message queues, security best practices, and analytics tools. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role This role focuses on building and scaling a modern full-stack web application, with ownership across both frontend and backend development. You’ll work closely with product and engineering teams to deliver secure, high-performance features while applying best practices in architecture, testing, and optimization. The position also emphasizes innovation, mentorship, and a strong product mindset to ensure technical solutions drive real user and business value. Key Responsibilities FullStack Development: Take an active, hands-on role in developing complex features and modules using Next.js for the frontend and NodeJS for the backend. Quality Assurance: Enforce best practices in coding, testing, caching, and performance monitoring to ensure a robust and scalable application. Security: Design and implement comprehensive security measures at the application, infrastructure, and data levels. Analytics & Optimization: Collaborate closely with the product team to integrate analytics systems and conduct A/B tests to enhance the user experience. Innovation: Research and integrate emerging technologies, particularly AI-driven solutions, to improve the product and streamline development workflows. Qualifications A minimum of 2 years of active, commercial experience with Next.js (v15.x). Must have worked on at least two recent projects where Next.js was the primary frontend framework. Deep knowledge and at least 3 years of hands-on experience with a modern framework such as NestJS, Fastify, or Hono. A clear understanding of their architectural trade-offs is required. Strong understanding of Fastify, including its main advantages, validation and serialization, and authentication and authorization mechanisms. Strong proficiency with PostgreSQL and/or Supabase, including query optimization and schema design. In-depth, practical knowledge of Prisma or Drizzle ORM, with experience in building complex queries and managing migrations. A profound understanding of caching strategies (e.g., in-memory, distributed cache, CDN) and the ability to apply them effectively to optimize performance (e.g., using Redis). Full proficiency with Docker for creating, managing, and deploying containerized applications. Experience with Docker Compose is essential. Understanding and practical application of background workers and message queues (e.g., BullMQ, RabbitMQ) for handling asynchronous tasks. Proven experience in building secure systems, including protecting against common vulnerabilities (OWASP Top 10), configuring Content Security Policy (CSP), CORS, securing APIs, and hardening hosting environments. Experience working with analytics tools (e.g., Google Analytics, PostHog, Mixpanel) and platforms for A/B testing. A genuine passion for teaching, sharing knowledge, and helping team members grow professionally. Excellent communication skills, with the ability to articulate complex technical concepts clearly to both technical and non-technical stakeholders. The ability to understand business objectives and translate them into technical solutions that deliver real value to users. Nice to have Experience with CI/CD pipelines (e.g., GitHub Actions, GitLab CI). Experience writing unit and integration tests (e.g., Jest, Playwright). Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: Recruiter Screening (40 minutes) Technical Interview (90 minutes) Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success. #LI-Remote

The role involves developing and optimizing user acquisition campaigns across multiple channels to maximize ROI and scale growth. | Requires 4+ years in user acquisition, managing large advertising budgets, and experience with digital marketing channels like Google Ads, Bing, Twitter/X, LinkedIn, and YouTube. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role We are seeking an experienced User Acquisition Manager to drive customer acquisition for our subscription-based web products. The ideal candidate is self-motivated, self-driven, and thrives in a fast-paced environment where ownership and impact matter. Our current growth engine relies heavily on Google Search Ads, and we are planning to expand into new channels such as Bing, Twitter/X, LinkedIn, and YouTube. The role requires both strategic thinking and hands-on execution, with a strong emphasis on scaling profitably, optimizing campaigns, and building repeatable growth systems. If you are excited about owning large budgets, driving measurable growth, and building scalable acquisition systems in a startup-style environment, this role is for you. Key Responsibilities ROI Maximization Develop and implement strategies to continuously improve return on ad spend (ROAS). Identify opportunities to scale successful campaigns while maintaining or improving efficiency. Data Analysis & Insights Conduct deep analysis of campaign performance metrics. Leverage Tableau, Google Ads reporting, and other tools to extract insights. Translate data into actionable strategies and tactical decisions. Campaign Structure & Optimization Design and implement optimal campaign/account structures. Continuously test and refine ad copy, landing pages, bidding strategies, and targeting. Run A/B tests to identify scaling opportunities. Channel Expansion Oversee and optimize campaigns across Google, while testing new growth channels such as Bing, Twitter/X, LinkedIn, and YouTube. Allocate budgets effectively across platforms based on performance and growth potential. Stay updated on platform changes and new features, adapting strategies accordingly. Strategy Development Collaborate with leadership to establish acquisition goals, KPIs, and budgets. Build and execute comprehensive user acquisition strategies aligned with company objectives. Continuously refine strategies based on performance data and market trends. Creative Collaboration Partner with creative teams to develop high-performing ad creatives. Provide data-driven feedback on ad copy and visual assets to improve CTR and conversion rates. Market Research & Growth Experiments Identify funnel leakages and propose high-impact experiments to improve efficiency. Research new traffic sources and evaluate their potential. Cross-functional Collaboration Partner with data, product, and growth teams to ensure cohesive acquisition efforts. Collaborate closely with leadership on budget planning and reporting. Qualifications Experience 4+ years of experience in user acquisition for subscription-based products (web-web or web-app). Proven track record of scaling performance marketing campaigns, with Google Search Ads expertise required. Hands-on experience managing 7-figure monthly advertising budgets and scaling them profitably. Experience testing and scaling new channels (Bing, Twitter/X, LinkedIn, YouTube) strongly preferred. Analytical Skills Advanced skills in campaign analysis, attribution, and optimization. Strong ability to analyze complex datasets and extract actionable insights. Strategic Thinking Data-driven mindset with structured experimentation skills. ROI-focused, with a proven ability to maximize efficiency at scale. Execution & Ownership Self-motivated, proactive, and able to work independently — you don’t wait for direction, you make things happen. Strong project management skills to handle multiple campaigns in parallel. Demonstrated ability to deliver results in a high-growth environment. Collaboration & Communication Excellent communication skills to collaborate with cross-functional teams. Ability to translate performance results into clear insights for leadership. Personal Attributes Entrepreneurial and results-oriented mindset. Strong problem-solving skills with a passion for measurable impact. Adaptable, quick learner, and always ahead of the curve in the digital marketing landscape. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1tzxGX4Uu7Ts_HCLFXESKLnKaaBfVCPf1f9AYZPrkjJM/preview?tab=t.0 Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: Recruiter Screening (40 minutes) Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success. #LI-Remote

Ensure product quality through manual testing, risk identification, and collaboration with development teams in a fast-paced environment. | Strong web application architecture knowledge, browser behavior expertise, experience with subscription products, and manual QA skills. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role We’re building and scaling a high-growth D2C product in the LegalTech / Utilities space and are looking for a QA Engineer who takes real ownership of product quality. This is a hands-on, manual QA–first role in a fast-moving environment where features ship often, experiments run continuously, and quality cannot be an afterthought. You’ll work closely with Product and Engineering to ensure that what reaches users is stable, reliable, and works as expected across browsers, devices, and real-world scenarios. We’re not looking for someone who only executes test cases. We’re looking for a quality owner, someone who thinks in user journeys, spots risks early, understands how systems break in production, and proactively raises issues before they impact customers. This is not a checkbox or 9–5 role. The pace is high, expectations are clear, and your work will have a direct impact on user experience, conversion, and trust in the product. Key Responsibilities Take ownership of product quality for a high-growth D2C product in LegalTech/Utilities. Perform hands-on manual QA in a fast-moving environment with frequent feature releases and continuous experiments. Work closely with Product and Engineering teams to ensure features are stable, reliable, and work as expected across browsers, devices, and real-world scenarios. Think in terms of user journeys, spot risks early, and proactively raise issues before they impact customers. Execute regression testing and validate fixes independently. Ensure quality across environments and releases. Communicate bugs and findings clearly, including steps to reproduce and expected vs actual behavior. Collaborate with developers and product managers to maintain high-quality standards. Qualifications Strong understanding of modern web application architecture. Deep knowledge of browser behavior (cookies, sessions, localStorage, cross-tab/cross-device session handling). Solid understanding of authentication mechanisms (Magic Link/passwordless, OAuth/SSO). Experience testing subscription-based products (billing flows, access control, edge cases). Understanding of release cycles, regression testing, and risk-based QA. Experience with BrowserStack (or equivalent) for cross-browser and cross-OS testing, including mobile emulation and real-device testing. Proficiency with Browser DevTools (network inspection, console error analysis, cache/storage debugging). Ability to read and understand API responses (REST/JSON) and HTTP status codes. Manual QA–first mindset with attention to detail and edge cases. Ability to think in real user scenarios, not just happy paths. Clear, structured communication of bugs and findings (steps to reproduce, expected vs actual behavior). Proactive, ownership-driven approach to quality, collaborating with developers and product managers Nice to have Experience with D2C SaaS products. Exposure to A/B testing, feature flags, or experimentation frameworks. Understanding of automated testing concepts (not required to implement). Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: Recruiter Screening (40 minutes) Technical Interview (60 minutes) Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success. #LI-Remote

Analyze data, create reports, and provide insights to support decision-making. | Experience in data analysis, SQL, and BI tools; familiarity with product analytics and marketing tools preferred. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role Ruby Labs is hiring an experienced Data Analyst to join our fast-paced and rapidly growing team. In this role, you will work to create new reports and improve existing ones, ensuring that we have accurate, well-modeled data to make decisions. Work with a variety of clients to build their future data environment and play a critical role in leveraging data to drive informed decision-making. Key Responsibilities Partner with Product Owners and Data Teams. Create new dashboards, maintain and improve existing reports such as Product Reports. User behavior analysis, aha moment analysis. Analyze data to generate actionable insights, find trends, patterns, and provide recommendations to maximize KPIs. Monitor metrics. Designing and building robust data models in SQL. Give and receive actionable feedback to and from peers and the Leadership Team. Qualifications Degree in an analytical field such as Math, Data Science, or Economics. At least 3+ years of work experience as a Data Analyst. Strong analytical and problem-solving skills, with the ability to identify trends, patterns, and insights in large datasets. Excellent verbal communication. Ability to think strategically and make data-driven decisions that align with the organization’s goals. Experience in Product Analytics. Experience with Mixpanel, GA4, Amplitude or similar. Advanced SQL. Experience with popular BI tools such as Tableau, Looker, or similar. Experience in subscription business. Ability to adapt quickly, learn new tools and methods efficiently, and work effectively in a high-pressure, fast-changing environment. Nice to have Strong spoken and written English. Experience in Marketing Analytics. Experience with Python. Experience with GCP, BigQuery. Experience with Google Ads, Facebook Ads, etc. Experience with orchestration frameworks such as Airflow, dbt. Experience with git and code review process. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1tzxGX4Uu7Ts_HCLFXESKLnKaaBfVCPf1f9AYZPrkjJM/preview?tab=t.0 Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review, which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: Recruiter Screening (40 minutes) Technical Interview (90 minutes) Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success. #LI-Remote

Conduct research, analyze user behavior, and design wireframes to improve user experience. | 2+ years in UX research and UI/UX design, proficiency in design tools, understanding of user-centered design, and experience with usability testing. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role We are looking for a results-driven Mid-Senior UX Researcher who will play a crucial role in shaping our product and enhancing the user experience by conducting research, analyzing user behavior, and designing intuitive wireframes for both desktop and mobile. Key Responsibilities Conduct competitor and market research to understand user behaviors, flows, pain points, and needs. Analyze existing user interfaces and the design of our current solutions. Utilize tools like Visily or Figma to create wireframes, prototypes, and mockups. Develop user personas, customer journey maps, and usability studies to support data-informed decisions. Collaborate closely with product managers, developers, and designers to ensure seamless user experiences. Test and validate design concepts through A/B testing, surveys, interviews, and analytics. Document research findings and present insights to stakeholders. Stay up to date with industry trends and UX best practices to continually refine our approach. Qualifications 2+ years of experience in UX research and UI/UX design. Proficiency in Visily (preferred), Figma, and similar design tools. Strong knowledge of user-centered design (UCD), usability principles, and accessibility standards. Experience conducting user interviews, surveys, usability testing, and data analysis. Ability to translate research insights into actionable recommendations. Basic understanding of front-end development (HTML, CSS, JavaScript) is a plus. Familiarity with A/B testing, heatmaps, and analytics tools (e.g., Google Analytics, Hotjar). Strong analytical mindset and the ability to make data-driven UX decisions. Excellent communication and collaboration skills. Portfolio or case studies showcasing past research and wireframe designs. Nice to have Experience working in fast-paced startup environments. Experience with AI-driven UX research tools and methodologies. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: Recruiter Screening (40 minutes) Final Interview (30 minutes) Life at Ruby Labs At Ruby Labs, we move fast, aim high, and expect the same from our team. We’re not here to play small—we’re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day. This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more—more responsibility, more growth, and more success. #LI-Remote

Lead strategic growth, manage cross-functional teams, oversee product development and marketing, optimize financial and operational performance, and build a high-performing remote team. | Extensive hands-on leadership experience in D2C digital products, deep understanding of engineering, product, marketing, and growth strategies, and ability to lead cross-functional teams and deliver results under pressure. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role We are creating a new D2C product in the Utilities category and we are looking for a Managing Director that can take care of day to day operations, execution and building a world class team. Profit Share This role comes with the profit share incentive and stock option that is quite generous for this role, more details would be shared at the interview. The team You will be building a strong team with high talent density who enjoy working in our fast-paced, 100% remote environment. About you You are a dynamic and hands-on leader with extensive experience in the D2C Digital Products (preferably subscriptions). You excel at driving growth and innovation, with a deep understanding of engineering, product, marketing, and growth strategies. In this role, you will be at the forefront, leading all departments with a focus on executing strategic initiatives and optimizing performance across the board. Your proven ability to manage teams, deliver results under pressure, and deeply engage in the technical and operational aspects of the business makes you the ideal candidate to steer our company towards continued success. What you’ll do • Lead the company's strategic growth by developing and executing initiatives that drive business expansion, optimize market positioning, and advance overall progress. • Lead cross-functional teams in executing complex strategic initiatives, ensuring alignment across engineering, product development, growth, marketing, and sales. • Drive revenue growth and profitability while optimizing operational expenses. • Oversee the product development lifecycle, from ideation to launch, ensuring products meet market needs and quality standards. • Collaborate closely with engineering teams to deliver innovative solutions that align with customer expectations and business goals. • Ensure that the product roadmap is aligned with business strategy and customer feedback. • Oversee marketing campaigns, ensuring they are data-driven, customer-centric, and aligned with product launches and sales strategies. • Utilize data analytics to refine and optimize growth strategies, ensuring sustainable revenue growth. • Continuously monitor and analyze key financial and operational metrics, such as revenue growth, EBITDA margins, and customer acquisition costs (CAC). • Evaluate customer lifetime value (LTV) and return on ad spend (ROAS) to optimize marketing efficiency and resource allocation. • Track onboarding conversion rates to identify areas for improvement in user experience and increase customer activation and analyze average revenue per user (ARPU) and user retention rates to inform product development and enhance long-term profitability. Qualifications • Dynamic and hands-on leadership with extensive D2C Digital Product experience (subscription preferred). • Deep understanding of engineering, product, marketing, and growth strategies. • Experience leading cross-functional teams and executing strategic initiatives. • Ability to optimize performance and deliver results under pressure. • Comfortable engaging deeply in technical and operational aspects of the business. What we offer • Remote Work Environment: Embrace the freedom of working from anywhere, anytime, fostering a better work-life balance. • Stock options: We acknowledge the commitment required for the CEO/Managing Director role. Hence, we offer generous company stock options and revenue sharing to appreciate and reward your hard work. • Company-provided MacBook: We offer employees access to powerful MacBooks if needed, ensuring top-notch performance, energy efficiency, and seamless productivity. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: • Recruiter Screening (40 minutes) • Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we are more than a team; we're a community united in pushing the boundaries of technology and innovation. Our combined passion fuels our ambition for excellence, driving impact that resonates around the globe. We are an equal-opportunity employer and celebrate diversity, recognizing that a diversity of thought and backgrounds builds stronger teams. We approach diversity and inclusion seriously and thoughtfully. We do not discriminate based on race, ethnicity, religion, color, place of birth, sex, gender identity or expression, sexual orientation, age, marital status, military service status, or disability status. Join us and be part of a company that is crafting the future of technology across multiple industries. #Li-Remote

Research and prioritize high-demand forms across countries, prepare fillable PDFs, manage form libraries, and collaborate with Product, Marketing, and Growth teams to scale the product. | 2-4 years in business analysis or research, strong analytical and organizational skills, hands-on experience with PDF tools, and ability to work cross-functionally and independently. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role We are expanding our online PDF editing product into a highly localized forms-based solution, starting with tax, legal, and administrative forms like W-9 and scaling globally. We’re looking for a Business Development Analyst who will drive the research, selection, preparation, and launch of high-demand forms across multiple countries. This is a highly operational, research-driven role that requires a mix of analytical thinking, strong ownership, and hands-on execution. You will work closely with Product, Marketing, and Growth teams to identify forms with the highest market demand, prepare them for integration, and help us scale our offering country by country. If you’re resourceful, extremely detail-oriented, and excited about helping build a global product at speed — this is your opportunity. Key Responsibilities • Research and identify high-demand forms and templates (tax, legal, administrative, business, etc.), country by country. • Analyze search trends, competitor offerings, and market data to prioritize forms by demand potential. • Source, download, and prepare forms for use (incl. conversion into fillable PDF format using Acrobat or similar tools). • Upload prepared forms into CMS or coordinate with the product team for technical integration. • Collaborate closely with Product, Growth, and Marketing teams to optimize rollout plans and prioritize backlog. • Maintain a clean, well-organized form library with proper metadata, categories, and quality standards. Qualifications • 2–4 years of experience in business analysis, research, business operations, or product ops. • Strong research and analytical skills — ability to collect and synthesize market data quickly. • Hands-on experience with PDF tools (e.g., Acrobat) to prepare fillable forms. • Excellent organizational and documentation skills — ability to manage large content libraries. • Strong collaboration skills — comfortable working with cross-functional teams across Product, Marketing, and Growth. • Highly proactive, resourceful, and self-directed — able to independently drive projects forward. Nice to have • Experience with SaaS platforms, document management, or legal/tax content. • Experience managing content in CMS or product data platforms. • Familiarity with international markets and local regulatory environments. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: • Recruiter Screening (40 minutes) • Technical Interview (90 minutes) • Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we are more than a team; we're a community united in pushing the boundaries of technology and innovation. Our combined passion fuels our ambition for excellence, driving impact that resonates around the globe. We are an equal-opportunity employer and celebrate diversity, recognizing that a diversity of thought and backgrounds builds stronger teams. We approach diversity and inclusion seriously and thoughtfully. We do not discriminate based on race, ethnicity, religion, color, place of birth, sex, gender identity or expression, sexual orientation, age, marital status, military service status, or disability status. Join us and be part of a company that is crafting the future of technology across multiple industries. #Li-Remote

Lead UX and competitive research initiatives focusing on product experiences and payment systems, including analyzing monetization strategies and payment journeys. | Requires 2+ years UX or product research experience with strong competitive research and technical analysis skills, preferably in fintech, SaaS, or e-commerce. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role We are seeking a highly analytical and technically skilled UX Researcher to lead research initiatives across both product experiences and payment systems. This role is ideal for someone who combines a strong foundation in user research methodologies with a practical understanding of technical tools and systems. As a Technical UX Researcher, you will play a central role in uncovering how competitors design, monetize, and scale their products. The ideal candidate will be comfortable conducting both traditional UX research and technically-oriented investigations, including traffic and payment methods analysis. Key Responsibilities • Conduct in-depth research on competing products to evaluate user experience, monetization strategy, patterns, feature implementation, and overall product strategy. • Reverse-engineer key product flows (e.g., onboarding, in-app engagement, retention mechanisms) to identify best practices and innovation opportunities. • Document and present detailed competitive benchmarks and UX assessments. • Analyze end-to-end payment journeys, including checkout flows, subscription logic, and fraud prevention techniques. • Identify and evaluate payment providers, billing infrastructure, and pricing strategies used by competitors. Qualifications • 2+ years of experience in UX Research, Product Research, or a comparable role involving product and user behavior analysis. • Demonstrated ability to perform structured competitive research and technical analysis of digital products. • Strong attention to detail, with the ability to independently plan, execute, and document research findings. • Excellent communication skills, including the ability to present complex insights to both technical and non-technical audiences. • Experience in fintech, SaaS, e-commerce, or other digital-first product environments. Nice to have • Familiarity with design tools (e.g., Figma, Miro) and research platforms. • Experience in QA, or exposure to developer tools. • Basic scripting or automation experience (e.g., Python, JavaScript) is a plus. • Prior experience working in fast-paced, cross-functional environments. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: • Recruiter Screening (40 minutes) • Technical Interview (90 minutes) • Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we are more than a team; we're a community united in pushing the boundaries of technology and innovation. Our combined passion fuels our ambition for excellence, driving impact that resonates around the globe. We are an equal-opportunity employer and celebrate diversity, recognizing that a diversity of thought and backgrounds builds stronger teams. We approach diversity and inclusion seriously and thoughtfully. We do not discriminate based on race, ethnicity, religion, color, place of birth, sex, gender identity or expression, sexual orientation, age, marital status, military service status, or disability status. Join us and be part of a company that is crafting the future of technology across multiple industries. #Li-Remote

Lead UX research initiatives focusing on competitive product flows, monetization strategies, and payment journey analysis. | 2+ years UX/Product research experience with strong competitive and technical analysis skills, preferably in fintech, SaaS, or e-commerce. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role We are seeking a highly analytical and technically skilled UX Researcher to lead research initiatives across both product experiences and payment systems. This role is ideal for someone who combines a strong foundation in user research methodologies with a practical understanding of technical tools and systems. As a Technical UX Researcher, you will play a central role in uncovering how competitors design, monetize, and scale their products. The ideal candidate will be comfortable conducting both traditional UX research and technically-oriented investigations, including traffic and payment methods analysis. Key Responsibilities • Conduct in-depth research on competing products to evaluate user experience, monetization strategy, patterns, feature implementation, and overall product strategy. • Reverse-engineer key product flows (e.g., onboarding, in-app engagement, retention mechanisms) to identify best practices and innovation opportunities. • Document and present detailed competitive benchmarks and UX assessments. • Analyze end-to-end payment journeys, including checkout flows, subscription logic, and fraud prevention techniques. • Identify and evaluate payment providers, billing infrastructure, and pricing strategies used by competitors. Qualifications • 2+ years of experience in UX Research, Product Research, or a comparable role involving product and user behavior analysis. • Demonstrated ability to perform structured competitive research and technical analysis of digital products. • Strong attention to detail, with the ability to independently plan, execute, and document research findings. • Excellent communication skills, including the ability to present complex insights to both technical and non-technical audiences. • Experience in fintech, SaaS, e-commerce, or other digital-first product environments. Nice to have • Familiarity with design tools (e.g., Figma, Miro) and research platforms. • Experience in QA, or exposure to developer tools. • Basic scripting or automation experience (e.g., Python, JavaScript) is a plus. • Prior experience working in fast-paced, cross-functional environments. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: • Recruiter Screening (40 minutes) • Technical Interview (90 minutes) • Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we are more than a team; we're a community united in pushing the boundaries of technology and innovation. Our combined passion fuels our ambition for excellence, driving impact that resonates around the globe. We are an equal-opportunity employer and celebrate diversity, recognizing that a diversity of thought and backgrounds builds stronger teams. We approach diversity and inclusion seriously and thoughtfully. We do not discriminate based on race, ethnicity, religion, color, place of birth, sex, gender identity or expression, sexual orientation, age, marital status, military service status, or disability status. Join us and be part of a company that is crafting the future of technology across multiple industries. #Li-Remote

Lead and execute organic social media growth strategies across multiple platforms to increase engagement and product sign-ups. | Minimum 3 years managing social media accounts with expertise in platform algorithms, content ideation, execution, analytics, and excellent communication skills. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role We are seeking a highly creative, results-driven Social Media Manager to lead the organic growth of all our social media channels across multiple Ruby Labs brands. This is a full-time position reporting to the Marketing Director and collaborating closely with our Creative and Marketing teams. Your mission will be to grow our social media profiles organically and drive trial sign ups for our products. You will own the strategy and execution of our presence across TikTok, Instagram, Facebook, YouTube, Pinterest, and emerging channels. You’ll launch high-impact, engaging content and campaigns designed to attract attention, encourage interaction, and convert audiences into users. We’re looking for a social media expert who not only understands how to grow reach and engagement, but also how to convert that attention into measurable acquisition and product sign-ups. Key Responsibilities • Social Media Strategy & Execution: Lead the organic social media strategy across all Ruby Labs brands and platforms (TikTok, Instagram, Facebook, YouTube, Pinterest, Snapchat), with a direct focus on driving organic growth and product trials. • Campaign Ideation: Conceptualise and launch viral content campaigns, including giveaways, challenges, collaborations, and community-driven initiatives. • Content Calendar Management: Create and manage monthly content calendars for each brand, ensuring strategic alignment, platform-specific optimisation, and timely delivery. • Performance Growth: Grow our follower base and engagement while improving social media’s contribution to total product sign-ups and trials. Regularly analyse performance and make data-informed decisions to improve results. • Creative Collaboration: Work closely with designers to guide content production and ensure the highest quality output aligned with each platform's best practices. • Analytics & Reporting: Track and report on key metrics weekly and monthly. Use data to inform future content and optimise performance. • Trend Spotting: Stay up-to-date with the latest platform trends, viral formats, and algorithm changes. Be proactive in suggesting new ideas and testing new platforms or features. • Cross-functional Alignment: Collaborate with product teams to align messaging and ensure consistency across channels. Qualifications • Experience: Minimum 3 years of hands-on experience managing social media accounts across multiple platforms with a proven track record of organic growth and engagement. • Platform Expertise: Deep understanding of TikTok, Instagram, Facebook, YouTube, Pinterest, X, Snapchat – their audiences, formats, algorithms, and growth strategies. • Creative Thinking: Strong ideation skills. Must be a content and campaign brainstormer who knows how to turn ideas into viral moments. • Execution Excellence: Experience managing content calendars, posting schedules, engagement workflows, and reporting systems. • Analytical Skills: Ability to measure performance, identify growth opportunities, and optimise content based on insights. • Communication: Excellent written and verbal communication skills in English. Bonus points for strong visual storytelling and short-form video content experience. • Ownership Mentality: Highly autonomous, proactive, and comfortable taking full responsibility for the performance and direction of our social channels. Nice to have • Experience working with subscription-based or digital consumer products. • Experience growing accounts from zero to significant following. • Strong understanding of content virality and shareability mechanics. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: • Recruiter Screening (40 minutes) • Technical Interview (90 minutes) • Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we are more than a team; we're a community united in pushing the boundaries of technology and innovation. Our combined passion fuels our ambition for excellence, driving impact that resonates around the globe. We are an equal-opportunity employer and celebrate diversity, recognizing that a diversity of thought and backgrounds builds stronger teams. We approach diversity and inclusion seriously and thoughtfully. We do not discriminate based on race, ethnicity, religion, color, place of birth, sex, gender identity or expression, sexual orientation, age, marital status, military service status, or disability status. Join us and be part of a company that is crafting the future of technology across multiple industries. #Li-Remote

Conduct UX research and design wireframes, collaborate with product teams, analyze user behavior, and validate design concepts to improve user experience. | 2+ years UX research and UI/UX design experience, proficiency with design tools, user-centered design knowledge, experience in fast-paced startup environments, and ability to translate research into actionable insights. | About us At WinTech, we are at the forefront of innovation, crafting cutting-edge consumer products that shape the future. Our diverse portfolio spans the health, education, and entertainment sectors, offering exciting opportunities to make a real impact. Our dynamic teams are the driving force behind our success, and we’re always on the lookout for passionate individuals eager to join us on this journey of transformation. About the role We are looking for a result-driven Mid-to-Senior UX Researcher who will play a crucial role in building up our product and improving our user experience by conducting research, analysing user behaviour, and designing intuitive wireframes for both desktop and mobile. Key Responsibilities • Conduct competitors & market research to understand user behaviors & flows, pain points, and needs. • Analyse existing user interfaces and design of our own solutions. • Utilise tools like Visily or Figma to create wireframes, prototypes, and mockups. • Develop user personas, customer journey maps, and usability studies to drive data-informed decisions. • Collaborate closely with product managers, developers, and designers to ensure seamless user experiences. • Test and validate design concepts through A/B testing, surveys, interviews, and analytics. • Document research findings and present insights to stakeholders. • Stay up to date with industry trends and UX best practices to continually refine our approach. Qualifications • 2+ years of experience in UX research and UI/UX design. • Proven ability to thrive in fast-paced environments with frequent changes and rapid iteration cycles. • Comfortable pushing updates and new features to production regularly and responsibly. • Strong focus on delivering high-quality user experiences through thoughtful design, usability, and research-backed insights.. • Proficiency in Visily (preferred), Figma, and similar design tools. • Strong knowledge of user-centered design (UCD), usability principles, and accessibility standards. • Experience conducting user interviews, surveys, usability testing, and data analysis. • Experience supporting products from early-stage ideation through scaling to large user bases and significant marketing investment (e.g., 0 to millions in spend within months) • Ability to translate research insights into actionable recommendations. • A basic understanding of front-end development (HTML, CSS, JavaScript) is a plus. • Experience with UI frameworks such as HeroUI • Familiarity with A/B testing, heatmaps, and analytics tools (e.g., Google Analytics, Hotjar). • Experience working in fast-paced startup environments. • Experience leveraging AI-powered tools (e.g., for prototyping, user testing, or research analysis) to accelerate and enhance design workflows. • Strong analytical mindset and ability to work with data-driven UX decisions. • Excellent communication and collaboration skills. • Portfolio or case studies showcasing past research and wireframe designs. Location WinTech operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: • Recruiter Screening (40 minutes) • Final Interview (60 minutes) Life at WinTech At WinTech, you'll join a supportive and collaborative team passionate about excellence and being industry leaders. Our innovative work environment drives impactful business results as we challenge ourselves and elevate each other to achieve new heights. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. #Li-Remote

Execute manual and automated testing for web and mobile applications, document test cases, report bugs, and collaborate with cross-functional teams to ensure product quality. | 6+ months experience in software testing or internships, understanding of QA concepts and tools, good communication skills, and ability to work remotely within CET time zone. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role Ruby Labs is looking for a Junior QA Engineer who is detail-oriented, proactive, and eager to grow in the field of Quality Assurance. You will work closely with cross-functional teams to ensure our applications meet the highest standards of quality. This role is ideal for someone with basic QA experience who is ready to take ownership of testing tasks and grow their skills in a dynamic remote team. You’ll contribute to manual and automated testing across web and mobile platforms, ensuring that features are thoroughly tested before release. Key Responsibilities • Manual Testing: Execute test cases for new features, regression cycles, and bug fixes across web and mobile platforms. • Test Documentation: Write and maintain clear test suites, test cases, and checklists in tools like TestRail or similar. • Collaboration: Work closely with QA leads, developers, and product managers to understand features and define quality expectations. • Bug Reporting: Identify, isolate, and report bugs and usability issues with clear documentation and reproduction steps. • Automation Support: Assist in expanding automated test coverage. • Quality Advocacy: Help promote a culture of quality throughout the product development cycle. Qualifications • Experience: 6+ months of experience in software testing, internships, or freelance projects count. • Attention to Detail: Strong attention to detail and ability to spot inconsistencies or edge cases. • Basic QA Concepts: Understanding of SDLC, STLC, bug life cycle, and different types of testing (functional, UI, regression, smoke). • Tools: Familiar with at least one bug tracking system (e.g., Jira) and test documentation tools. • Technical Curiosity: Interest in learning test automation and basic scripting. • Communication: Good verbal and written English skills; ability to work in a remote, async team. Nice to have • Familiarity with frontend debugging tools (e.g., browser dev tools). • Exposure to API testing using tools like Postman. • Experience with or interest in writing basic automated tests. • Experience testing React/Next.js-based applications is a plus. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review, which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: • Recruiter Screening (40 minutes) • Technical Interview (90 minutes) • Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we are more than a team; we're a community united in pushing the boundaries of technology and innovation. Our combined passion fuels our ambition for excellence, driving impact that resonates around the globe. We are an equal-opportunity employer and celebrate diversity, recognizing that a diversity of thought and backgrounds builds stronger teams. We approach diversity and inclusion seriously and thoughtfully. We do not discriminate based on race, ethnicity, religion, color, place of birth, sex, gender identity or expression, sexual orientation, age, marital status, military service status, or disability status. Join us and be part of a company that is crafting the future of technology across multiple industries. #Li-Remote

Lead global tax compliance, optimize tax structures, conduct internal audits, and collaborate with finance and legal teams across multiple jurisdictions. | Minimum 4 years international tax compliance experience, CPA or equivalent certification, knowledge of tax laws and treaties, internal audit proficiency, and ability to manage multiple compliance deadlines. | About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/ About the role We are looking for an International Tax Compliance Manager (Internal Auditor) to join Ruby Labs team and lead global tax compliance across multiple jurisdictions. This role plays a key part in ensuring tax efficiency, managing internal audits, and maintaining accurate documentation for all intra-company and external transactions. The ideal candidate has strong expertise in international tax, a solid understanding of group structures and cross-border transactions, and a proactive, problem-solving mindset. You’ll work closely with finance, legal, and external advisors to optimize tax strategy and support audits across the US, EU, and other key regions. Key Responsibilities • Ensure the company maintains compliance with all documentation requirements for transactions, both intra-company and external, across all jurisdictions in which the company operates. • Continuously monitor and optimize the company's tax structure across all operating jurisdictions (currently US, Malta, Cyprus, UK, Canada, Mexico, Brazil, and Australia) to ensure the most favorable tax treatment. • Develop and implement strategies for efficient money flow within the company to minimize tax liabilities while remaining compliant with local and international tax laws. • Identify and apply available tax relief instruments, such as tax refund claims under double tax treaties, to maximize tax savings for the company. • Stay up-to-date with changes in tax laws and regulations across all relevant jurisdictions and adapt the company's tax strategy accordingly. • Collaborate with the finance team to ensure the company utilizes simplified accounting procedures, such as timely submission of audit exemption forms, where applicable, to reduce administrative burdens. • Conduct regular internal audits to assess the company's tax compliance and identify areas for improvement or potential risks. • Provide guidance and support to management and other departments on tax-related matters, ensuring alignment with the company's overall tax strategy. • Maintain accurate and up-to-date records of all tax-related documentation, filings, and correspondence with tax authorities. • Liaise with external tax advisors, auditors, and legal counsel as needed to ensure the company's tax practices are in line with industry best practices and local regulations. Qualifications • Minimum of 4 years of experience in international tax compliance and planning. • Professional certification such as CPA, EA, or equivalent tax qualification. • Comprehensive knowledge of international tax laws, transfer pricing, and cross-border transactions. • Experience with tax compliance in multiple jurisdictions, especially US, EU, UK, Canada, and Australia. • Proven track record in tax structure optimization and tax liability reduction strategies. • Strong understanding of double taxation treaties and tax relief mechanisms. • Proficiency in internal audit procedures and risk assessment methodologies. • Experience with tax technology systems and financial reporting software. • Strong project management abilities to handle multiple compliance deadlines. • Ability to explain complex tax concepts to non-tax professionals. • Proactive approach to identifying tax planning opportunities. • Experience working with external tax advisors and regulatory authorities. • Knowledge of OECD guidelines, BEPS initiatives, and global tax developments. • Ability to adapt to rapidly changing tax environments and regulations. Location Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours. Benefits Discover the perks of being part of our vibrant team! We offer: • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance. • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days. • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them. • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1dHF4ctKlez75whdn-ybUwP5d5Wr0BdwVrorrm_fM40Q/preview Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! Interview Process After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps: • Recruiter Screening (40 minutes) • Technical Interview (90 minutes) • Final Interview (60 minutes) Life at Ruby Labs At Ruby Labs, we are more than a team; we're a community united in pushing the boundaries of technology and innovation. Our combined passion fuels our ambition for excellence, driving impact that resonates around the globe. We are an equal-opportunity employer and celebrate diversity, recognizing that a diversity of thought and backgrounds builds stronger teams. We approach diversity and inclusion seriously and thoughtfully. We do not discriminate based on race, ethnicity, religion, color, place of birth, sex, gender identity or expression, sexual orientation, age, marital status, military service status, or disability status. Join us and be part of a company that is crafting the future of technology across multiple industries. #Li-Remote