Product Engineer (Full-Stack)

About the Role This is a full-stack product engineering role at an early-stage enterprise AI platform, where you'll own features end-to-end — from technical design through to user-facing delivery. You'll work closely with the Chief Product Officer and cross-functional teams to build AI-powered capabilities that drive adoption across large organisations. What You'll Do Contribute to product feature development across the AI platform, spanning technical design and user-facing implementation. Build end-to-end solutions across the frontend (Next.js), backend (Node.js), and database layers. Collaborate with the design team and customers to gather feedback and iterate on product features. Implement user interfaces including full screens, reusable components, and complete user flows. Maintain and optimise the codebase for performance and user experience. Participate in rotating Support Engineer stints, shifting focus to assist customers and the customer support team on a regular cadence. What We're Looking For 2+ years of experience in software engineering. Strong proficiency with Next.js, TypeScript, and Node.js . Hands-on experience with PostgreSQL, Redis, Prisma, tRPC, and Tailwind CSS . Proven track record delivering features end-to-end from concept to production in a full-stack environment. Experience building AI-powered product features and integrating AI capabilities into enterprise applications. Experience supporting customers or participating in support rotations during the product lifecycle. Strong CS fundamentals; a Bachelor's degree in Computer Science or an equivalent technical field is required. Compensation & Benefits Salary range: €66,000 – €120,000 annually. Visa sponsorship is available. Location On-site in Berlin, Germany . This role requires in-person attendance; fully remote arrangements are not available.