Researcher, Training - London
OpenAI· Research
London, UKFull-timePosted 4mo ago
About the role
OpenAI seeks a Researcher, Training in London to push the frontier of large language model development, focusing on architecture design, long-context and efficient attention, optimization, and scaling. Hybrid work model in London with relocation assistance.
Responsibilities
- Design, prototype and scale up new architectures to improve model intelligence
- Execute and analyze experiments autonomously and collaboratively
- Study, debug, and optimize both model performance and computational performance
- Contribute to training and inference infrastructure
Qualifications
- Experience landing contributions to major LLM training runs
- Ability to evaluate and improve deep learning architectures in a self-directed fashion
- Motivation to safely deploying LLMs in the real world
- Strong understanding of state-of-the-art transformer modifications for efficiency
Skills
Required:LLM architecturesModel inferenceExperiment design & analysisOptimization & debugging
Benefits
- Private medical insurance covering 100% of premiums for employees and their dependents
- Pension plan with 4% employer contribution
- 52 weeks maternity leave and 20 weeks parental leave
- Unlimited time off
- Annual learning & development stipend (£1,200 per year)
Last updated Jul 23, 2026. Interested? Apply on the company site.
About OpenAI
ai-infrastructure-and-developmentliquid-ai-recruiting-targetllmsetter-30setter-30-2026-q1speech-to-texttext-to-speechvoice-ai-stack
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