Senior Full-Stack Engineer — Build AI-Driven Finance Tools

Company: Junior
Apply for the Senior Full-Stack Engineer — Build AI-Driven Finance Tools
Location: London
Job Description:

Junior is building the AI operating system for investment research and shaping a fast-moving product in London. You will own features across frontend, backend and data layers, shipping weekly and engaging directly with paying clients.

We value 5+ years of engineering experience, deep SQL knowledge, and a product-minded, highly autonomous contributor who thrives in a fast-paced, in-person team in Farringdon.

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Posted: August 28th, 2026