Senior Full-Stack Engineer (AI App Builder)

Senior Full-Stack Engineer (AI App Builder) Build the foundation of an AI platform that turns ideas into working applications through natural interaction with AI. Apply in 2 min About Us Our client is building an AI App Builder — a platform that allows anyone to create functional applications through natural interaction with AI. Users describe their ideas — and the system builds the app. Their small, high-impact team is shaping the foundation of the product: architecture, interface, and AI integration layer. They’re looking for an experienced engineer with strong leadership skills, technical vision, and hands-on experience in AI-related projects, someone who can see the full picture — from code to product — and drive the team toward clean, scalable solutions Preference for Russian-speaking engineers with experience in Western AI products Responsibilities Lead the design and development of core platform features — from concept to production Define technical architecture for both frontend and backend systems, ensuring scalability and stability Collaborate with AI engineers and product designers to turn ideas into reliable, user-ready functionality Take ownership of engineering quality, process efficiency, and release cadence Mentor and guide other developers; participate in technical decision-making and planning Continuously improve system performance, UX, and developer workflows Requirements 5+ years of professional experience as a Full-Stack Engineer or Tech Lead Expertise in React / Next.js / Vue, TypeScript, and Node.js Strong understanding of API architecture, databases, and modern development tooling Experience working with serverless / edge environments (Cloudflare Workers, AWS Lambda, etc.) Practical exposure to AI-driven products (builders, agents, generative apps, etc.) — even up to one year is valuable Demonstrated leadership, ownership, and product vision — not just executing tasks but shaping direction Experience building fast-moving products from scratch in startup environments Nice to Have Familiarity with LLM APIs (OpenAI, Anthropic, Mistral, etc.) Experience with Supabase, Docker, AWS, Vercel, or Cloudflare AI Background in real-time collaboration, Web IDEs, or AI agent architectures Why Join Us Build at the edge of AI innovation — creating tools that help others build with AI Influence not just the codebase but the entire direction of the product and engineering team Work in a lean, ambitious environment with full autonomy and real impact Become part of the core leadership group shaping a platform designed to redefine how software is created Department Join Product Development Role Full-stack Engineer Locations Warsaw Remote status Fully Remote Compensation Package to be discussed About Evotym Evotym is dedicated to building exceptional teams for fast growing companies. As a leading Staffing and Recruitment agency, we connect top-tier talent with trusted Fintech and iGaming companies, driving their success and growth. Our expertise in the sector allows us to understand its unique challenges and opportunities, ensuring we match the best-fit candidates with our clients. Join us and be part of a dynamic team and make an impact in the Fintech and iGaming industries.