Pretraining Research Engineer – Safe, Scalable LLMs

Company: anthropic
Apply for the Pretraining Research Engineer – Safe, Scalable LLMs
Location: London
Job Description:

Anthropic is seeking a Research Engineer for the Pretraining team to advance the next generation of large language models. You will bridge research and engineering, developing safe, steerable AI systems while improving training infrastructure and tooling.

Requirements include an advanced degree in CS/ML, strong Python and PyTorch experience, and a track record of building complex systems. Collaboration and societal impact awareness are highly valued.

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Posted: October 5th, 2026