Machine Learning Engineer: Retrieval & Knowledge Platform

Company: Scale AI, Inc.
Apply for the Machine Learning Engineer: Retrieval & Knowledge Platform
Location: London
Job Description:

Scale AI, Inc. in London is seeking a Machine Learning Engineer to own retrieval and knowledge representation components at the heart of Scale GP.

You will drive end-to-end ML deliverables, from research and prototyping to production deployment, working across knowledge bases, vector stores, RAG pipelines, and context engines that power enterprise agents. Ideally you have 5+ years building production ML/AI systems, a strong CS/ML degree, and deep retrieval knowledge.

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Posted: July 14th, 2026