Product Engineer (Mid-Senior Level Full Stack)
Haddock • barcelona, cataluña • Posted June 02, 2026
Position Overview
Can you be a haddock engineer?
Engineers at haddock are action‑oriented, curious, autonomous, and take full ownership of their work. They are champions of figuring out the unknowns. They talk to customers, deliver quality work, improve our tooling, and are ambitious. We look for people with these same motivations and ways of working.
We strongly adhere to Lean Startup and Agile principles, favoring action over analysis, imperfect iteration over perfect delivery, face‑to‑face communication, and a fast‑paced environment.
We work on initiatives in small mission‑oriented squads of 1 to 3 people. Engineers are owners and work across the stack to achieve our objectives:
- Architect technical solutions
- Build backend and frontend code (80% backend, 20% frontend)
- Engineer AI workflows , balancing latency, cost and accuracy
- Do your own project management , rolling out your initiatives to custo...