Senior Backend Engineer – AI Infra & Data Pipelines (London)

Junior is building the AI operating system for investment research and is hiring a Backend Engineer based in London. You will design and scale systems powering AI-driven research, enabling operations and sales teams to deliver products efficiently.

This is a systems-level role for engineers who love data flows, orchestration, and performance across distributed systems. You’ll own architecture of internal data systems, stitch together AI infrastructure, and ship backend capabilities.

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