Founding Fullstack Engineer

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 a 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.
  
  
  

Who You Are

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 the capacity to grow mid-level engineers. We need someone who can carry weight immediately.

Location Berlin office (2–3 days/week preferred) EU passport or existing European work permit required (No visa sponsorship)