A5 Labs

Build and integrate anti-cheat product surfaces, develop backend services, and create user-facing dashboards. | Requires 5+ years of full-stack experience, strong Node.js and React skills, experience with data-heavy systems, and API/dashboard development. | Senior/ Principal Full-Stack Engineer (B2C Anti-Cheat POC) Node.js / React Remote | Full-Time About the Role We are building a B2C Anti-Cheat product surface that exposes integrity signals, trust scores, and suspicious behavior indicators to end users. This role is focused on execution — building the first production-grade POC that turns anti-cheat outputs into real, user-facing product experiences. You will work closely with the Data / Anti-cheat team and integrate detection outputs into scalable backend services and intuitive frontend dashboards. This is a hands-on role with direct impact on product delivery. What You’ll Do 1️⃣ Build the Anti-Cheat Application Layer (POC First) Develop backend services (Node.js) to consume integrity signals from data systems Design APIs that serve trust score, risk indicators, and evaluation results Build real-time and batch processing flows for B2C hand evaluation Ensure reliability and clean data boundaries 2️⃣ Deliver B2C Product Surfaces (React) Player integrity dashboard Trust score visualization “Why this score?” explanation UI Suspicious signal indicators Evaluation result page Focus: clarity, transparency, and product usability. 3️⃣ Integrate with Data / Anti-Cheat Systems Work with data engineers & ML teams Integrate model outputs into serving layer Handle ingestion, validation, deduplication Maintain version control and logging 4️⃣ Prepare for Core Integration Build architecture that can later integrate into QuintAce core Ensure modular, scalable service boundaries Support future multi-platform extension What We’re Looking For Required 5+ years full-stack engineering experience Strong Node.js backend development Strong React / frontend architecture Experience working with data-heavy systems Experience building APIs and dashboards Comfortable working in ambiguous 0→1 environments Strong ownership mindset Preferred Trust & safety / fraud / risk product exposure experience Gaming or fintech background Experience working with ML-driven systems Why This Role Matters This is the first version of a product that makes anti-cheat transparent to players. You’re not building detection models — you’re building the product layer that makes integrity visible, understandable, and actionable. POC → Core Product → Platform Integration.

Developing scalable web applications and backend systems for online gaming platforms. | Requires 7+ years of full-stack experience, expertise in Node.js, TypeScript, REST APIs, databases, caching, microservices, and security. | About the Role We're building cutting-edge AI-driven experiences that redefine industry standards in online gaming. As our Senior Full Stack Engineer, you'll drive technical initiatives across teams to build scalable web applications, in-app solutions, and integrations that power our innovative gaming platform. 80% of our work will be focused on the backend solutions. What You'll Build - Highly-available and performant gaming applications - Scalable backend systems for global audiences - MVPs and production-ready solutions for online poker games - Integration systems with various service providers - Robust microservices architecture## Required Skills- 7+ years of full stack development exp (3+ years in senior/lead role) - Strong Node.js expertise - Advanced TypeScript/JavaScript knowledge - REST APIs, GraphQL, gRPC, and WebSockets - Testing frameworks (Jest) - Databases (PostgreSQL, MongoDB, DynamoDB) - Caching and queues (Redis, RabbitMQ, Kafka) - High-load and concurrent systems - Microservices and distributed systems - Security best practices Nice to Have- DevOps and CI/CD pipelines - Cloud platform expertise (AWS, Cloudflare) - Background in real-time multiplayer gaming or high-concurrency/high-load applications## About UsAceGuardian at A5 Labs combines gaming expertise with AI technology to revolutionize both gaming and real-world problem-solving. Our team focuses on building advanced AI agents through reinforcement learning, game-solving, fine-tuning, and planning, tackling challenges like anti-cheat detection and optimal gameplay.## What We Offer- Remote-first environment - Opportunity to work on innovative AI projects - Collaboration with experts in AI and game development - Flexible work environment - Career growth in a fast-growing company - Supportive and dynamic teamReady to help build the future of AI-powered gaming technology? Join us in creating resilient, scalable systems that power the next generation of online gaming experiences. We'd love to hear from you!

Design and implement scalable web components, optimize frontend performance, and collaborate on UI/UX development. | Proficiency in TypeScript, experience with modern frontend frameworks, and understanding of large-scale frontend codebases. | Job Title: Senior Web Engineer Job Description: We are looking for a Senior Web Engineer to join our architecture team. In this role, you will be responsible for designing and implementing core web components and systems, with a strong focus on performance, scalability, and long-term maintainability. You will work closely with product managers, designers, and backend engineers to build high-quality web applications that run reliably across modern browsers and platforms. The ideal candidate has solid experience with JavaScript / TypeScript, a deep understanding of modern web architectures, and the ability to make sound technical decisions while collaborating effectively within a team. Responsibilities: ● Design, implement, and maintain Jenkins CI/CD pipelines; manage and maintain build nodes. ● Develop and maintain large-scale Web and Electron frontend applications. ● Participate in frontend performance optimization, making informed trade-offs between performance, maintainability, and system evolution. ● Collaborate with backend engineers, product managers, and designers to design scalable and maintainable frontend architectures and deliver high-quality UI/UX. ● Write testable, maintainable, and refactor-friendly code. Requirements and Qualifications: ● Proficient in TypeScript. ● Familiar with at least two modern frontend frameworks (Vue / React / Angular), with a solid understanding of their design philosophies and differences. ● Strong ability to design state management architectures, establishing clear state boundaries and data flows to improve maintainability, testability, and long-term scalability. ● Experience with modular and component-based development, capable of writing maintainable and testable code. ● Ability to read, understand, and work with existing large-scale frontend codebases. Additional Skills: ● Experience with any game engine such as Unity, Cocos, Egret, or PixiJS. ● Experience with desktop application frameworks such as Electron or Tauri. ● Hands-on experience analyzing and resolving real-world performance bottlenecks, memory issues, and stability problems. ● Familiarity with modern data fetching and caching strategies, including request deduplication, cache invalidation, and stale-while-revalidate. ● Experience with Strapi (Headless CMS). ● Experience with any SSR framework (e.g., Next.js, Nuxt.js, Nest.js). ● Hands-on experience with frontend security, familiar with common attack vectors and browser security mechanisms, and capable of reducing security risks in frontend applications. ● Experience with error tracking, performance monitoring, and issue investigation (e.g., Sentry).

The Brand Designer will develop and maintain brand guidelines for WPT and its umbrella brands, ensuring consistency across all elements. They will also create visual assets for marketing, product, and event use, adapting brand visuals for different markets and cultural contexts. | Candidates should have proven experience as a Brand or Graphic Designer, preferably in the gaming, entertainment, or sports industries. Strong skills in design software and a solid understanding of brand systems and visual identities are essential. | Position: Brand Designer — WPT & Umbrella Brands Team: Marketing Design Team, A5 Labs Location: Remote About A5 Labs A5 Labs is an international company developing innovative products in the poker and gaming industry. Our portfolio includes world-renowned brands such as: ● World Poker Tour (WPT) — famous for its global live poker tournaments held across the US, Canada, Europe, and Asia ● WPT Global — our online poker platform, available in Latin America, several European countries (Nordics, Poland, Slovakia), and across Asia ● ClubWPT Gold — our premium membership-based poker product for the US and Canadian markets Our Design Marketing Team supports all these directions — from digital and social media promotions to live event branding, trophies, merchandise, and 3D concepts. We actively integrate AI tools (Leonardo AI, Midjourney, Freepik, and others) into our creative workflow to accelerate production and push visual innovation forward. About the Role We’re looking for a Brand Designer to help develop, maintain, and evolve the visual identity of WPT and its umbrella brands — including WPT Global, ClubWPT Gold, WPT Live Events, and other related sub-brands. This role combines strategic thinking with creative execution, ensuring brand consistency across products, markets, and campaigns while supporting the evolution of WPT’s global identity. You’ll be responsible for keeping our brand systems current and unified, creating new assets and templates, and helping shape the visual direction for flagship events and sub-brands. Key Responsibilities ● Develop and maintain brand guidelines for WPT, WPT Global, and all umbrella brands — ensuring all elements remain consistent, organized, and up to date. ● Design templates, brand patterns, and visual assets for marketing, product, and event use (digital and print). ● Create logos and sub-identities for side projects, new initiatives, and promotional campaigns. ● Develop corporate and internal brand materials, including presentations, pitch decks, business cards, and other branded documents. ● Support event branding for major WPT occasions such as the WPT World Championship, where each year has its own unique theme, color palette, and visual pattern, or WPT Voyages, which requires custom brand design for all event materials. ● Adapt brand visuals for local markets and cultural contexts (LATAM, Asia, EU, and North America). ● Work closely with marketing and design teams to integrate brand direction into all campaigns. ● Keep the brand library and documentation updated and accessible to all teams. Requirements ● Proven experience as a Brand or Graphic Designer (preferably in gaming, entertainment, or sports industries). ● Strong skills in Figma, Illustrator, and Photoshop. ● Experience with brand systems, visual identities, and documentation (creating and maintaining brandbooks, guidelines, etc.). ● Solid understanding of composition, typography, and color theory. ● Ability to create adaptable brand visuals for different cultures and markets. ● Attention to detail and commitment to brand consistency. ● Creative mindset with the ability to propose fresh visual ideas while staying aligned with brand strategy. We Offer ● The chance to shape the visual identity of one of the world’s most iconic poker brands ● Creative freedom and opportunity to work on unique projects ● Collaboration with a dynamic international team across design, marketing, and 3D and motion. ● Work with cutting-edge AI tools and modern creative processes ● Flexible remote setup and a culture that values creativity and initiative

The Senior Marketing Designer will develop new creatives for marketing campaigns and design materials for live tournaments. They will also collaborate with other designers and the marketing team to ensure visual consistency. | The ideal candidate should have experience in creating marketing visuals and supporting digital campaigns. Familiarity with AI tools for creative exploration is also preferred. | Position: Senior Marketing Designer — ClubWPT Gold / WPT About A5 Labs A5 Labs is an international company developing innovative products in the poker and gaming industry. Our portfolio includes world-renowned brands such as: ● World Poker Tour (WPT) — famous for its global live poker tournaments held across the US, Canada, Europe, and Asia ● WPT Global — our online poker platform, available in Latin America, several European countries (Nordics, Poland, Slovakia), and across Asia ● ClubWPT Gold — our premium membership-based poker product for the US and Canadian markets Our Design Marketing Team supports all these directions — from digital and social media promotions to live event branding, trophies, merchandise, and 3D concepts. We actively integrate AI tools (Leonardo AI, Midjourney, Freepik, and others) into our creative workflow to accelerate production and push visual innovation forward. About the Role We are looking for a Marketing Designer to support both ClubWPT Gold (our product for the US & Canada) and the broader WPT brand. This role focuses on creating premium marketing visuals, live event materials, merchandise, and creative concepts for tournaments and special campaigns. It would be ideal if the candidate is located in the US, LATAM, or Canada time zones, to stay aligned with the marketing and product teams. Key Responsibilities ● Develop new creatives for marketing campaigns and online/offline events ● Support digital and social media campaigns across multiple platforms ● Design print and digital materials for live tournaments (banners, LED panels, posters, brochures, event signage) ● Develop branding and visual identity for new WPT initiatives and sub-projects ● Use AI tools (Leonardo AI, Midjourney, etc.) for creative exploration and idea generation ● Collaborate closely with motion designers, 3D artists, and the marketing team to ensure visual consistency and impact We Offer ● The chance to shape the visual identity of one of the world’s most iconic poker brands ● Creative freedom and opportunity to work on unique projects — from trophy and merch concepts to global event branding ● Collaboration with a dynamic international team across design, marketing, and 3D and motion. ● Work with cutting-edge AI tools and modern creative processes ● Flexible remote setup and a culture that values creativity and initiative

The Marketing Designer will create visuals for social media, blog posts, and marketing assets related to poker events and promotions. They will also generate AI-assisted images and maintain visual consistency across all marketing platforms. | The ideal candidate should have a strong understanding of poker and be comfortable working with AI tools. They should possess a great eye for detail and be able to create engaging designs that resonate with poker players worldwide. | Position: Marketing Designer — WPT Global Team: Marketing Design Team, A5 Labs Location: Remote About A5 Labs A5 Labs is an international company developing innovative products in the poker and gaming industry. Our portfolio includes world-renowned brands such as: ● World Poker Tour (WPT) — famous for its global live poker tournaments held across the US, Canada, Europe, and Asia ● WPT Global — our online poker platform, available in Latin America, several European countries (Nordics, Poland, Slovakia), and across Asia ● ClubWPT Gold — our premium membership-based poker product for the US and Canadian markets Our Design Marketing Team supports all these directions — from digital and social media promotions to live event branding, trophies, merchandise, and 3D concepts. We actively integrate AI tools (Leonardo AI, Midjourney, Freepik, and others) into our creative workflow to accelerate production and push visual innovation forward. About the Role We’re looking for a Marketing Designer with a strong understanding of poker to join the WPT Global Design Team. This role involves working across social media, blog content, and promotional visuals — creating engaging designs that reflect the excitement, strategy, and emotion of poker. The ideal candidate should be comfortable working with AI tools, have a great eye for detail, and be able to turn creative ideas into visuals that resonate with poker players worldwide. It would be ideal if the candidate is located in the EUROPE, LATAM, or Canada time zones, Key Responsibilities ● Create visuals for social media, blog posts, email campaigns, and marketing assets related to poker events and promotions. ● Generate AI-assisted images (using Leonardo, Midjourney, Firefly, etc.) for poker-themed concepts and campaigns. ● Design poker situation illustrations and contextual graphics for WPT Global’s blog articles. ● Develop on-brand creative materials for daily social media usage (Facebook, Instagram, X, Discord, etc.). ● Maintain visual consistency across all WPT Global marketing platforms. ● Collaborate closely with the marketing, copywriting, and motion design teams to ensure all assets align with campaign objectives. We Offer ● The chance to shape the visual identity of one of the world’s most iconic poker brands ● Creative freedom and opportunity to work on unique projects ● Collaboration with a dynamic international team across design, marketing, and 3D and motion. ● Work with cutting-edge AI tools and modern creative processes ● Flexible remote setup and a culture that values creativity and initiative

Design and develop scalable backend and full stack web applications with microservices architecture for high-load online gaming platforms. | 7+ years full stack development with 3+ years senior experience, strong Node.js and TypeScript skills, experience with REST/GraphQL/gRPC, databases, caching, microservices, and security. | About the Role We're building cutting-edge AI-driven experiences that redefine industry standards in online gaming. As our Senior Full Stack Engineer, you'll drive technical initiatives across teams to build scalable web applications, in-app solutions, and integrations that power our innovative gaming platform. 80% of our work will be focused on the backend solutions. What You'll Build - Highly-available and performant gaming applications - Scalable backend systems for global audiences - MVPs and production-ready solutions for online poker games - Integration systems with various service providers - Robust microservices architecture## Required Skills- 7+ years of full stack development exp (3+ years in senior/lead role) - Strong Node.js expertise - Advanced TypeScript/JavaScript knowledge - REST APIs, GraphQL, gRPC, and WebSockets - Testing frameworks (Jest) - Databases (PostgreSQL, MongoDB, DynamoDB) - Caching and queues (Redis, RabbitMQ, Kafka) - High-load and concurrent systems - Microservices and distributed systems - Security best practices Nice to Have- DevOps and CI/CD pipelines - Cloud platform expertise (AWS, Cloudflare) - Background in real-time multiplayer gaming or high-concurrency/high-load applications## About UsAceGuardian at A5 Labs combines gaming expertise with AI technology to revolutionize both gaming and real-world problem-solving. Our team focuses on building advanced AI agents through reinforcement learning, game-solving, fine-tuning, and planning, tackling challenges like anti-cheat detection and optimal gameplay.## What We Offer- Remote-first environment - Opportunity to work on innovative AI projects - Collaboration with experts in AI and game development - Flexible work environment - Career growth in a fast-growing company - Supportive and dynamic teamReady to help build the future of AI-powered gaming technology? Join us in creating resilient, scalable systems that power the next generation of online gaming experiences. We'd love to hear from you!

Lead technical initiatives to build scalable, performant backend systems for online gaming applications, collaborating cross-functionally and ensuring code quality and security. | 7+ years backend development with senior leadership experience, strong Node.js and TypeScript skills, experience with microservices, cloud platforms, testing, and security best practices. | At A5 Labs, we are dedicated to building cutting-edge AI-driven experiences that redefine industry standards. If you’ve ever played an online casino game, you may have already encountered our technology and innovation. This role demands strong expertise in software architecture and engineering best practices and the ability to lead complex technical initiatives across multiple teams. Why Join Us? -Be a key player in a major AI transformation. -Participate in exciting and challenging AI projects creating direct impact in one of the world's most dynamic (and fun 🙂) industries. -Join a supportive and dynamic team and enjoy flexible work environment. -Progress your career and grow your skills within a fast-growing company. 📎 The Role We’re looking for a Senior Backend Engineer to join our team. In this role, you will drive technical initiatives across various teams and help us build standalone web applications, in-app web applications within our gaming apps, and integrations with service providers. ✅ Your Objectives -From MVPs to Production: Drive technical initiatives across various teams to ensure the delivery of MVPs for online poker games and applications that help recreational players improve their skills. Lead the transition from MVP to production, ensuring scalability and reliability for a global audience. -Game Development: Architecting and implementing highly-available and performant games using Node.js. -Cross-Functional Collaboration: Partner with frontend engineers, UX/UI designers, AI engineers, and product managers to deliver end-to-end features. -Code Quality: Enforce clean, maintainable code with testing and code reviews. -Performance Optimization: Identify and resolve bottlenecks to optimize applications to meet the demands of B2C scenarios. 👀 What You Bring to the Table -Experience: 7+ years in backend development with 3+ years in a senior/lead role -Technical Skills: -Strong expertise in Node.js, TypeScript and JavaScript -Experience with NestJS and Golang would be a plus -Experience with REST APIs, GraphQL, gRPC, and Web Sockets. -Experience with backend testing frameworks like Jest. -Proficiency in both relational databases (e.g., PostgreSQL) and NoSQL databases (e.g., MongoDB, DynamoDB). -High load and concurrency: Experience in creating, modifying, debugging scalable backend systems in high load environments. -Cloud Technologies: Experience in working with cloud platforms is a plus, e.g. AWS and Cloudflare, including the ability to design, deploy, and maintain robust cloud-based applications. -Distributed Systems using Microservices: Expertise in crafting resilient, scalable, and maintainable software architectures, leveraging event-driven architectures and microservices best practices. Skilled in using observability tools to monitor and optimise performance. -DevOps and CI/CD: Hands-on experience in setting up and managing CI/CD pipelines (e.g., GitHub Actions), preferably proficiency with containerisation tools like Docker and Kubernetes. -Security: solid understanding of the ways a Node.js backend can be exposed to an attack. Experience with implementing security best practices. 🥇 Preferred Personal Qualifications Adaptability: Comfortable working in fast-paced startup and R&D environments. Communication: Ability to explain technical concepts clearly to team members. Leadership: Advocate for and promote best engineering practices. Collaboration: Strong interpersonal skills to work effectively with cross-functional teams. Agile Methodologies: Experience in streamlining delivery processes across multiple teams. Communication: Ability to explain technical concepts clearly to team members. Business Focus: Demonstrates a strong understanding of how technical decisions impact business outcomes. 🎰 This role sits within AceGuardian, a cutting-edge team within A5 Labs. AceGuardian is focused on building advanced AI agents through reinforcement learning, game-solving, fine-tuning, and planning. These AI agents tackle challenges like anti-cheat detection (collusion, bots) and optimal gameplay across various games. The team operates in stealth mode and is composed of experts in AI, machine learning, and game development, all working together to revolutionize both gaming and real-world problem-solving. By joining this team, you’ll contribute to innovative projects that push the boundaries of AI in the gaming industry, while working alongside some of the brightest minds in the field.