We are looking for a Full Stack Engineer - AI Systems to build the product layer that turns these capabilities into usable, production-grade workflows. Build end-to-end product features across frontend, backend, and AI integrations
Design agent workflows that handle planning, tool use, failure, and recovery across multiple steps.
Collaborate closely with ML, backend, and product teams to ship features end-to-end
Strong experience in full stack engineering (frontend + backend)
Ability to handle ambiguity and make pragmatic engineering decisions
Own and ship AI-native product features that move beyond chat into persistent, goal-driven workflows
Reduce latency and improve responsiveness of AI interactions while maintaining output quality
Improve the success rate and reliability of AI-driven workflows through iteration, evaluation, and monitoring
Next.js
Python
Pytorch
SQL & noSQL
Kubernetes
Docker
📌 Full Stack Engineer, AI systems (Madrid)
🏢 Bjak
📍 Madrid