Looking for research engineer jobs in London with visa sponsorship? Anthropic is hiring a Research Engineer, Pretraining Scaling for its London office, focused on training production pretrained models reliably and at scale.
Photo: AI Lab via Wikimedia Commons.
Research Engineer Jobs in London: Overview
| Job Title | Research Engineer, Pretraining Scaling |
| Employer | Anthropic |
| Location | London, UK (in-office 5 days per week) |
| Salary | £250,000–£435,000 per year |
| Job Type | Full-time, permanent |
| Experience | Advanced degree or equivalent; large-scale ML experience |
| Visa Sponsorship | Confirmed – Anthropic states it sponsors visas |
| Closing Date | Not specified in the available job information (rolling) |
About the Employer
Anthropic builds reliable, interpretable and steerable AI systems. Its ML Performance and Scaling team trains production pretrained models that support the company’s mission of safe and beneficial AI.
Job Responsibilities
- Own critical aspects of the production pretraining pipeline
- Debug and resolve complex issues across the full stack
- Design and run experiments to improve training efficiency and reliability
- Optimise infrastructure for large-scale model training
- Collaborate on hardware debugging, experimental design and launch coordination
- Contribute from low-level optimisations to high-level model design
Requirements
- Essential: Bachelor’s degree in a related field or equivalent experience
- Essential: Strong software engineering skills and experience with large-scale machine learning
- Essential: Hands-on experience with tools such as PyTorch, JAX or distributed systems
- Essential: Ability to work under operational intensity during production launches
- Desirable: Experience training large language models or contributing to open-source LLM frameworks
Visa Sponsorship and International Applicants
Anthropic confirms it sponsors visas. The company states it will make every reasonable effort to obtain a visa for successful candidates and retains immigration counsel. The role requires in-office work five days per week in London. See more Visa Sponsorship Jobs.
Salary and Benefits
- Base salary range £250,000–£435,000 plus equity
- Competitive benefits package including generous vacation and parental leave
- Flexible working hours within the in-office requirement
- Optional equity donation matching
- Visa sponsorship confirmed
- High base salary plus equity
- In-office London role at leading AI lab
- 5 days in-office required
- High technical bar for large-scale pretraining
- Rolling applications
How to Apply
Apply directly via the Anthropic careers page. No specific documents beyond a standard application are listed; include a CV highlighting relevant ML systems experience.
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