Product Engineer (Full Stack)

Shelf is creating a unique operating system for an automated future that models company policies, workflows, and operational logic into an AI Data Model. Their platform enables AI Agents to deliver precise and reliable outcomes at scale. They serve enterprise customers like Glovo, Nespresso, and HelloFresh, ensuring high reliability and security with SOC2 and HIPAA-ready practices.

• Strong senior-level experience shipping production web products
• Strong frontend ability with React and TypeScript or an equivalent modern web stack
• Real backend ability to design and ship APIs, backend logic, and data flows
• Strong product sense to improve flows, defaults, and reduce complexity
• Good judgment about scope, iteration, and technical trade-offs
• Security-conscious engineering approach handling sensitive data carefully
• Clear communication and comfort working across engineering, product, and design
• AI-native working style using AI tools as part of daily implementation and problem solving

Nice to have:

• Experience with AI-powered product experiences such as chat, search, recommendations, workflows, or agent-like systems
• Experience with Python, Node.js, or both on the backend
• Experience owning product areas with limited oversight
• Strong emphasis on performance, accessibility, and production quality in complex web applications

• Build and ship user-facing product features across frontend and backend boundaries
• Turn rough product goals into practical solutions with good scope, sensible trade-offs, and strong execution
• Work comfortably in UI, application logic, APIs, and data flows rather than stopping at team boundaries
• Partner closely with product and design while being able to move when the spec is incomplete
• Improve usability, clarity, performance, and reliability, not just feature completeness
• Instrument what you ship to learn from production behavior and iterate quickly
• Use AI tools daily to accelerate work and improve internal workflows, tooling, and engineering leverage
• Maintain high standards on code quality, testing, and ownership after launch

Only onsite work in Warsaw is accepted.