Backend Engineer: AI Infra, LLM Gateway, London On-site

Company: Dex
Apply for the Backend Engineer: AI Infra, LLM Gateway, London On-site
Location: London
Job Description:

Dex partners with a London-based enterprise to build an AI operating system for IT, tackling scalable backend systems and secure multi-tenant architecture. You will own core backend components, from batch processing to the LLM gateway, with significant ownership from day one, and contribute to a reliable, scalable platform.

You will work in person with the team in London five days a week, joining a lean engineering group and addressing hard, foundational problems across large-scale customer

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Posted: September 30th, 2026