Full Stack Engineer - AI Systems for Proactive Workflows

BJAK Warsaw is seeking a Full Stack Engineer - AI Systems to build production‑grade workflows that turn AI capabilities into practical, user‑facing features.

You will design agent operating models, handle multi‑step tasks, ensure reliability, and drive integration of LLMs, memory, and external tools with low latency.

Collaborate with ML, backend and product teams, own features from idea to production, and continuously improve observability and failure handling.