Senior ML Research Engineer: Generative AI & LLMs

Company: Principle
Apply for the Senior ML Research Engineer: Generative AI & LLMs
Location: London
Job Description:

Principle is seeking a Senior Research Engineer in Machine Learning & Generative AI to join a world-leading tech organisation on the frontier of AI research. You will be embedded in a cutting-edge AI research team, working on large language models, reinforcement learning, synthetic data, multi-agent systems and AI agents, while building robust infrastructure for research experiments.

Ideal candidates have 5-7 years of hands-on ML/AI experience, strong Python, and a track record of scaling models

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Posted: September 23rd, 2026