Senior Backend Engineer - London

Junior AI · london, england, United-Kingdom

Location
london
Job Type
Full-time
Posted
June 29, 2026

Job Description

About Junior

We’re building cutting-edge LLM-powered workflow tools to supercharge investment research for private market investors. Our clients include most of the global top 10 private equity and consulting firms - Junior already powers hundreds of billions of dollars invested annually. We’re a profitable, bootstrapped company with a growing team of 40+ based in London, NYC and Sydney. We 10x’d our revenue in 2025.

You can read more about the company mission & values here.

Role Description

You’ll design and build the systems that support our you’ll help build and scale the systems that power our AI-driven research platform along with our commercial, product, and operations teams — automating workflows, improving decision‑making, and enabling the company to move significantly faster.

This is a high‑ownership backend engineering role (~4+ years experience) where you’ll work across data pipelines, integrations, automation...

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