Member of Technical Staff, Integration/RL Team (Research Engineer)

CohereEuropeMid LevelResearch

Specialty

Research

The role

Cohere, an enterprise AI company, is hiring a Research Engineer for its Integration/RL team, which builds the algorithms and infrastructure for LLM post-training with large-scale distributed reinforcement learning. Applicants may work anywhere between UTC-06:00 and UTC+01:00.

What you will do

  • Design and write scalable software for training models.
  • Develop tools that support and speed up research and LLM training.
  • Coordinate with infrastructure, efficiency, serving and science teams on the post-training ecosystem.
  • Implement techniques to speed up training cycles across SFT, offline preference and RL.
  • Experiment with ideas on the cluster and data infrastructure.

What they ask for

  • Extremely strong software engineering skills, with a preference for test-driven development and clean code.
  • Proficiency in Python and ML frameworks such as JAX, PyTorch or XLA/MLIR.
  • Experience using and debugging large-scale distributed training, including memory and speed profiling.
  • Working hours between UTC-06:00 and UTC+01:00.
  • Bonus: Kubernetes and Ray, post-training experience, ML or RL research background.

What they offer

  • Weekly lunch stipend
  • Health and dental benefits with a mental health budget
  • RRSP matching, 401(k) or pension
  • Parental leave top-up for up to 6 months
  • 6 weeks paid vacation
  • $500 home office stipend and co-working benefit

This is our own short reading of the posting. The full description, and anything that has changed since, is on Cohere's careers page behind the apply button.

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