Founding Fullstack Engineer
NiulixGermany13 hours ago
Full-timeEngineering, Information Technology
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We're not hiring a developer. We're hiring a founding builder.
What You'll Do
Build core product across frontend + backend Ship AI-powered features (agents, workflows, AI SDK integrations) Turn ambiguity into shipped product Own problems end-to-end (idea deploy iterate) Help define engineering culture from day one
Tech Stack TypeScript
Full-stack generalist (not a narrow specialist) Ex-founder or early-stage startup DNA is a big plus You build things outside of work You don't create noise — you create solutions You're senior enough to operate without hand-holding You handle uncertainty without spiraling We don't have capacity to grow mid-level engineers. We need someone who can carry weight immediately.
Location Berlin office
EU passport or existing European work permit required (No visa sponsorship)
What You'll Do
Build core product across frontend + backend Ship AI-powered features (agents, workflows, AI SDK integrations) Turn ambiguity into shipped product Own problems end-to-end (idea deploy iterate) Help define engineering culture from day one
Tech Stack TypeScript
- Node.js
- Next.js
- tRPC
- PostgreSQL
- AI SDK AI experience preferred (agents, LLM integrations). If your fundamentals are elite, you'll learn fast.
Full-stack generalist (not a narrow specialist) Ex-founder or early-stage startup DNA is a big plus You build things outside of work You don't create noise — you create solutions You're senior enough to operate without hand-holding You handle uncertainty without spiraling We don't have capacity to grow mid-level engineers. We need someone who can carry weight immediately.
Location Berlin office
EU passport or existing European work permit required (No visa sponsorship)
Key Skills
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