Generative AI Backend Engineer | GraphQL & FastAPI

Astek is seeking a Backend Engineer in Donostia/San Sebastián, excited about Generative AI to build scalable AI-powered systems for our fintech partner. Responsibilities include designing robust services and GraphQL APIs, integrating AI APIs, and database management.

The ideal candidate will have relevant degrees, 1–2 years of backend experience, and fluency in English and Spanish. Join us in contributing to innovative projects across Spain.