Research Engineer, RL Scaling Science
Anthropic · London, UK
CHECKED 4H AGO
Frontier labonsite$496k–$847k
At a glance
Highlights
- Study how RL scales across model size, compute, and task horizon.
- Ship validated RL findings directly into frontier model training.
- Build benchmarks that make long-horizon RL progress measurable.
What they offer
- Optional equity donation matching
- Generous vacation and parental leave
- Flexible working hours
Ideal candidate
Empirical researcher who thrives at the research-engineering boundary, owning open-ended experiments end-to-end and turning rigorous results into real frontier models, motivated by safe beneficial AI.
Requirements
- Strong empirical research skills in Reinforcement Learning, large-scale ML training, or a closely adjacent area
- Demonstrated ability to own large experiments end-to-end, from design through interpretation
- Proficiency in Python and experience working with large-scale or distributed ML systems
- Comfort operating at the research/systems boundary, including debugging where the two meet
- Care about the societal impacts of AI and responsible scaling
- remote policy
- Expect all staff to be in one of our offices at least 25% of the time
- visa sponsorship
- We sponsor visas where possible and provide immigration lawyer support
Lab profile
About Anthropic
AI safety company building reliable, interpretable and steerable frontier AI systems.
What they build
- Claude
- Claude API
- Claude Code
Known for
- AI safety and alignment
- Model interpretability research
- Frontier LLM development
Key facts
- Founded in 2021
- Headquartered in San Francisco, California
- Backed by Amazon and Google