Skip to content
← Anthropic

Research Engineer, RL Scaling Science

Anthropic · London, UK

CHECKED 4H AGO

Frontier labonsite$496k–$847k
Apply on the lab’s site ↗

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
More about Anthropic →
Apply on the lab’s site ↗