Full Stack Developer

Full Stack Developer | AI Start-up | Spain

An unbelievable opportunity has opened for you to join a ground-breaking AI start-up in Spain as a founding developer. Backed by fresh Series A funding and founded by ex-directors of one of the world’s most prominent healthcare organizations, the team is building an AI platform ahead of its time.

You are a full stack engineer with a front-end bias, strong in TypeScript and React , and complemented by back-end skills in Node.js, Python, or FastAPI . You thrive on designing and deploying applications in cloud-based environments at speed and with precision, leveraging CI / CD pipelines to deliver high-quality outcomes. You also bring experience with PostgreSQL .

It’s a bonus, though not essential, if you’ve worked in a fast-paced start-up, have knowledge of Office.js , or bring an eye for UI / UX design .

You have an understanding of or passion for AI Architecture. You have excellent communication skills and the intellectual curiosity to go beyond coding, challenging assumptions, questioning the why, and shaping the what. As part of the founding engineering team, you will help shape both the product and the company’s future.

Why this role stands out

• Be part of a founding team in a high-growth AI start-up
• Build with bleeding-edge technology at a pivotal time in the industry
• Play a central role in solving key real-world challenges
• Work alongside visionary founders, staying ahead of the curve

If you back your technical skills and 'end-to-end' mindset, I want to hear from you.

Hybrid in Barcelona with a competitive salary, this is your chance to live in the sun while building the innovations of tomorrow.