Production-Scale LLM Pretraining Engineer

Anthropic in London is seeking a Research Engineer for the ML Performance and Scaling team to keep production pretrained models training reliably at scale. The role sits at the boundary of research and engineering, involving the full training stack, performance optimization, and incident response.

You’ll work across SF and London teams, design experiments to improve efficiency, and contribute to deployment readiness during launches.

#J-18808-Ljbffr…