Research Engineer, Pretraining Scaling - London
Anthropic · London, United Kingdom
Evidence
The posting says Anthropic sponsors visas, and Anthropic is on the UK Home Office register.
Sponsor register
UK Home Office Register of Licensed Sponsors
Listed as Anthropic Limited. London · Skilled Worker route · A rating. Snapshot 26 Oct 2026.
Job posting
Visa sponsorship: We do sponsor visas!
On job-boards.greenhouse.io/anthropic, read 26 Oct 2026.
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First seen 25 Oct 2026. We check every day and remove closed roles.
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job-boards.greenhouse.io/anthropic
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Being on the register means Anthropic can sponsor visas. It doesn’t confirm this role qualifies, so check with the recruiter.
About the role
About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.
About the Role: Anthropic's ML Performance and Scaling team trains our production pretrained models, work that directly shapes the company's future and our mission to build safe, beneficial AI systems. As a Research Engineer on this team, you'll ensure our frontier models train reliably, efficiently, and at scale.
This is demanding, high-impact work that requires both deep technical expertise and a genuine passion for the craft of large-scale ML systems. This role lives at the boundary between research and engineering. You'll work across our entire production training stack: performance optimization, hardware debugging, experimental design, and launch coordination. During launches, the team works in tight lockstep, responding to production issues that can't wait for tomorrow.
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We sponsor visas for exceptional candidates and provide relocation support for those moving to London.