Founding Fullstack Engineer
— Berlin, Germany- Build core product across frontend + backend
- Ship AI-powered features (agents, workflows, AI SDK integrations)
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 · 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 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)
Comp €60–100k gross 0.3%–1% founding equity 1-month paid contractor trial → full-time offer
If you want stability, don’t apply. If you want ownership, equity, and real impact — let’s talk.
Published 11 days ago