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← Anthropic

Research Engineer, Machine Learning (Reinforcement Learning)

Anthropic · London, UK

CHECKED 3H AGO

Frontier labonsite$344k–$834k
Apply on the lab’s site ↗

At a glance

Highlights

  • Advance RL research powering autonomy and coding in Claude models.
  • Build agentic models for computer use and autonomous code generation.
  • Scale RL infrastructure across GPU clusters for next-gen models.

What they offer

  • Competitive compensation and benefits
  • Optional equity donation matching
  • Generous vacation and parental leave
  • Flexible working hours
  • Office space for collaboration

Ideal candidate

A research-minded engineer who loves pairing and building high-quality scalable systems, balancing exploration with implementation to advance safe, capable agentic AI.

Requirements

  • Bachelor's degree or equivalent combination of education, training and/or experience
  • Proficient in Python and async/concurrent programming with frameworks like Trio
  • Experience with machine learning frameworks (PyTorch, TensorFlow, JAX)
  • Industry experience in machine learning research
  • Can balance research exploration with engineering implementation
  • Enjoy pair programming
  • Care about code quality, testing, and performance
  • Strong systems design and communication skills
  • Passionate about safe and beneficial AI
remote policy
In office at least 25% of the time, with some roles requiring more
visa sponsorship
We do sponsor visas, but unable to successfully sponsor every role and candidate
hiring process
Applications reviewed on a rolling basis with no deadline

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 ↗