Product Engineer (Full-Stack) Jobs in Germany 2026

Excited to help enterprises safely adopt generative AI? A fast-growing Berlin startup seeks a Full-Stack Product Engineer on-site. EU Blue Card visa sponsorship is available for the right candidate. If early-stage ownership excites you, this role offers genuine influence.

About the Role

You will own product features end-to-end, from design through implementation. This includes building across Next.js, Node.js, and database layers. Additionally, you will collaborate directly with the Chief Product Officer regularly. You will also join Support Engineer rotations, assisting customers periodically. This is a full-time, in-person role based entirely in Berlin. Remote work is explicitly not available for this position.

About the Hiring Firm

The company was founded in 2023, building a security-first enterprise AI platform. It focuses on helping organisations safely integrate generative AI across operations. The platform spans AI chat, workflows, custom agents, and enterprise integrations. As a seed-stage company, the team remains small and highly collaborative.

Job Duties

• Contribute to AI platform features from design through implementation
• Build end-to-end solutions across frontend, backend, and database layers
• Collaborate with design teams and customers to refine features
• Implement user interfaces, including screens and reusable components
• Maintain and optimise the codebase for performance and usability
• Participate in Support Engineer rotations to assist customers directly

Job Requirements

• 2+ years of professional software engineering experience required
• Strong proficiency with Next.js, TypeScript, and Node.js required
• Hands-on experience with PostgreSQL, Redis, Prisma, and tRPC
• Proven track record delivering full-stack features end-to-end
• Experience building AI-powered features is a plus, not required
• Strong CS fundamentals and rapid learning ability valued

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Conclusion

This role suits engineers ready to shape an AI platform from its earliest stage. With direct executive access and genuine ownership, the impact stays visible. For full-stack engineers seeking early-stage influence, this opportunity offers real scope.

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