Research Engineer, Pretraining Scaling - London
Anthropic London £260,000 – £630,000 pa
Own critical parts of a production pretraining pipeline, covering performance optimization, observability, reliability and hardware debugging across the full training stack. The role sits at the boundary between research and engineering, with on-call incident response during model launches and close collaboration with teams in SF and London. It is unusually operational for a research engineering position, offering hands-on work with some of the largest training runs in the industry.