Java Backend Engineer (AI)

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About the Role:
We are looking for a senior, polyglot full-stack engineer to build and own services across a large-scale supply-chain analytics and alerting platform. You will work end-to-end — from streaming data ingestion and BigQuery analytics, through Java/Spring Boot APIs, to a modern React/Next.js frontend — and contribute to an emerging agentic-AI capability. This is a hands-on role for someone who can operate as both an individual contributor and a lightweight architect, owning services outright and driving them to production.
You will routinely move between four stacks (Java/Spring Boot, Apache Beam on GCP Dataflow, Python/FastAPI, and React/Next.js), so we value breadth and the ability to context-switch as much as depth in any one area.

What You'll Do:
Design, build, and own backend services in Java / Spring Boot, exposing REST and GraphQL APIs over BigQuery and MongoDB.
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