- The RL Velocity team owns the efficiency and reliability of our RL Science stack - the infrastructure, tooling, and systems that let researchers iterate quickly on training runs
- As a Research Engineer on the team, you’ll build and improve the core platform that underpins how we do RL at Anthropic, removing bottlenecks that slow down research and making it easier for the broader org to ship better models faster
- This is high-leverage work: small improvements to velocity compound across every researcher and every run
- Build and improve the RL training infrastructure that researchers depend on day-to-day
- Identify and remove bottlenecks across the RL stack: debugging, profiling, and rearchitecting where needed
- Partner closely with researchers and with adjacent engineering teams (inference, sandboxing, and many more) to understand pain points and ship tooling that makes them faster
- Own the reliability and performance of research runs end-to-end
- Contribute to design decisions that shape how Anthropic does RL at scale
Benefits
- Comprehensive health, dental, and vision insurance for you and your dependents
- Inclusive fertility benefits via Carrot Fertility
- 22 weeks of paid parental leave
- Flexible paid time off and absence policies
- Mental health support for you and your dependents
- Competitive salary and equity packages
- Optional equity donation matching at a 1:1 ratio, up to 25% of your equity grant
- Retirement plans with competitive matching
- Life and income protection plans
- $500/month flexible wellness and time saver stipend
- Commuter benefits
- Annual education stipend
- Home office stipends
- Relocation support for those moving for Anthropic
- Daily meals and snacks in the office
Care about enabling other people's work and find leverage through platforms rather than individual experimentsHave strong software engineering fundamentals and a track record of building performant, reliable systemsAre comfortable operating across the stack, from low-level performance work to RL algorithmsHave worked on ML infrastructure, distributed systems, or research toolingHave a bias toward shipping and iterating quickly, with a mix of high agency and low egoA track record of operating at the edge of research and infra in a fast-moving environmentFamiliarity with JAX, PyTorch, or similar ML frameworksExperience with large-scale distributed training (RL, pre-training, or post-training)Minimum years of experience: Years of experience required will correlate with the internal job level requirements for the positionRequired field of study: A field relevant to the role as demonstrated through coursework, training, or professional experienceMinimum education: Bachelor's degree or an equivalent combination of education, training, and/or experienceWe encourage you to apply even if you do not believe you meet every single qualification. Not all strong candidates will meet every single qualification as listedResearch shows that people who identify as being from underrepresented groups are more prone to experiencing imposter syndrome and doubting the strength of their candidacy, so we urge you not to exclude yourself prematurely and to submit an application if you're interested in this work
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Research Engineer (Machine Learning, Reinforcement Learning Velocity) in London employer: Anthropic
At Anthropic, we pride ourselves on being an exceptional employer that fosters a culture of innovation and collaboration. Our team-oriented environment encourages personal growth and empowers employees to take ownership of their projects, making a meaningful impact in the tech landscape. Located in a vibrant area, we offer competitive benefits and unique opportunities for professional development, ensuring that our engineers thrive both personally and professionally.
