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A leading technology startup in Barcelona is seeking a Founding Software Engineer to join their team. In this role, you will help build an AI-native product where AI agents take actions rather than just answer questions. Candidates should have experience in a product organization and a strong foundation in problem solving and computer science fundamentals. This position is expected to be in-office for at least 4 days a week and offers a competitive salary package including equity.
Join us as a Founding Software Engineer to build an AI-native product where AI agents don’t just answer questions — they take actions.
This is not a fully remote role. You’re expected to work at least 4 days/week in the office.
This role is not suitable if you’ve been working mainly on freelancing projects or consulting. We’re looking for people who have built and shipped inside a product organization, owning systems over time and living with the consequences (performance, reliability, maintenance, iteration, on-call realities).
We also care a lot about problem solving and CS fundamentals. We want engineers who can reason clearly, break down hard problems, and build robust systems — not just wire together tools.
Salary: €45k–€65k + equity