Photon

Design and maintain responsive web and mobile applications integrating AI/LLM capabilities and collaborate with teams to develop AI agents and optimize user experiences. | Over 6 years experience with React.js, React Native, Python, prompt engineering, LLM integrations, and building agentic workflows, plus a bachelor's degree. | Job Title: Senior UI Engineer (React/React Native & AI Development) Experience: 6+ Years Location: Open / Hybrid Job Summary: We are seeking a highly skilled and hands-on UI Engineer with strong expertise in React.js and/or React Native, combined with practical experience in AI application development. The ideal candidate should be capable of building modern, scalable user interfaces while leveraging AI technologies such as Python, Prompt Engineering, LLM integrations, and AI Agent development to create intelligent user experiences. Key Responsibilities: * Design, develop, and maintain responsive web and mobile applications using React.js and/or React Native. * Build reusable UI components and ensure a seamless user experience across platforms. * Integrate AI/LLM-powered capabilities into applications using APIs and frameworks. * Develop and enhance AI-driven workflows, copilots, chatbots, and intelligent assistants. * Design and optimize prompts for Large Language Models (LLMs) to improve accuracy and user experience. * Develop and orchestrate AI agents using frameworks such as LangChain, LangGraph, CrewAI, AutoGen, Semantic Kernel, or similar platforms. * Collaborate with Product, UX, and backend teams to deliver end-to-end solutions. * Participate in architecture discussions, code reviews, and performance optimization initiatives. * Stay updated on emerging UI and AI technologies and recommend innovative solutions. Required Skills: UI Development * Strong hands-on experience with React.js and/or React Native. * Proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3. * Experience with state management libraries such as Redux, Zustand, or Context API. * Familiarity with REST APIs and modern frontend development practices. AI & Automation * Strong programming skills in Python. * Experience with Prompt Engineering and LLM-based application development. * Hands-on experience integrating OpenAI, Azure OpenAI, Anthropic, Gemini, or similar AI services. * Experience building and deploying AI Agents and agentic workflows. * Familiarity with RAG (Retrieval-Augmented Generation) architectures, vector databases, and embeddings. * Understanding of AI application monitoring, evaluation, and optimization techniques. Preferred Qualifications: * Experience with cloud platforms such as Azure, AWS, or GCP. * Knowledge of CI/CD pipelines and DevOps practices. * Experience developing AI-powered products, copilots, or conversational applications. * Familiarity with containerization technologies such as Docker and Kubernetes. Nice to Have: * Exposure to MCP (Model Context Protocol). * Experience with AI observability tools. * Knowledge of GraphQL and microservices architectures. * Mobile application deployment experience on iOS and Android platforms. Key Traits: * Hands-on problem solver with strong ownership. * Ability to bridge UI engineering and AI innovation. * Excellent communication and stakeholder management skills. * Passion for emerging AI technologies and modern frontend ecosystems. Compensation, Benefits and Duration Minimum Compensation: USD 44,000 Maximum Compensation: USD 156,000 Compensation is based on actual experience and qualifications of the candidate. The above is a reasonable and a good faith estimate for the role. Medical, vision, and dental benefits, 401k retirement plan, variable pay/incentives, paid time off, and paid holidays are available for full-time employees. This position is available for independent contractors No applications will be considered if received more than 120 days after the date of this post.

Develop and operate Java Spring Boot microservices on Kubernetes focusing on performance, CI/CD, and security. | 5+ years Java/Spring Boot, 3+ years Kubernetes, JVM profiling, memory leak diagnosis, Git workflows. | Must-Haves * 5+ years of Java + Spring Boot microservices experience * 3+ years deploying and operating services on Kubernetes (GKE or AWS) * Hands-on JVM profiling and heap analysis experience * Load testing experience * Experience diagnosing memory leaks and latency issues in production * Experience triaging OOMs and P99 spikes * Experience identifying and remediating security vulnerabilities (dependency/CVE scanning, patching) * Experience with GitHub pull requests, branch protection rules, and code review workflows * Strong understanding of Git branching strategies (GitFlow or Trunk-Based Development) * Experience resolving merge conflicts and maintaining release branches * Familiarity with GitHub Actions or other CI/CD pipelines for automated build, testing, and deployment   Preferred (Nice to Have) * Experience with GitHub Copilot for developer productivity * Experience with Infrastructure as Code repositories (Terraform, Helm Charts) * Experience managing Kubernetes deployment manifests using GitOps (ArgoCD or FluxCD) * Experience reviewing performance-related code changes and production hotfixes through GitHub Compensation, Benefits and Duration Minimum Compensation: USD 40,000 Maximum Compensation: USD 140,000 Compensation is based on actual experience and qualifications of the candidate. The above is a reasonable and a good faith estimate for the role. Medical, vision, and dental benefits, 401k retirement plan, variable pay/incentives, paid time off, and paid holidays are available for full-time employees. This position is available for independent contractors No applications will be considered if received more than 120 days after the date of this post

Design and maintain scalable web applications, create architectural blueprints, lead technology selection, mentor developers, and ensure application security and performance. | Requires proven full stack architect experience, proficiency in front-end and back-end technologies, cloud services, microservices architecture, and strong communication and problem-solving skills. | Job Description What will you do? • Design, develop, and maintain scalable and high-performing web applications and services. • Create architectural blueprints and technical documentation to guide the development process. • Lead the selection of appropriate technologies and frameworks to ensure optimal performance and maintainability. • Collaborate with cross-functional teams, including developers, designers, product managers, and other stakeholders. • Ensure the security, reliability, and performance of the entire application stack. • Mentor and provide guidance to junior developers and team members. • Conduct code reviews and ensure best practices are followed. • Stay updated with the latest industry trends and technologies to keep our stack modern and efficient. • Manage the integration of third-party services and APIs. • Troubleshoot and resolve technical issues as they arise. What are we looking for? • Bachelor's or Master's degree in Computer Science, Information Technology, or a related field. • Proven experience as a Full Stack Architect or similar role. • Strong proficiency in front-end technologies (HTML, CSS, JavaScript, React, Angular, or Vue.js). • Extensive experience with back-end technologies (Node.js, Python, Ruby, Java, or .NET). • In-depth knowledge of database systems (SQL, NoSQL) and ORM frameworks. • Experience with cloud services (AWS, Azure, Google Cloud) and DevOps practices. • Familiarity with microservices architecture and RESTful API design. • Excellent problem-solving skills and the ability to work in a fast-paced environment. • Strong communication skills and the ability to collaborate effectively with team members. • Knowledge of CI/CD pipelines and tools like Jenkins, Git, Docker, Kubernetes. • Experience with agile development methodologies.