C
Cohere
Member of Technical Staff (Post Training)
Skills
PythonPyTorchMachine LearningKubernetes
2 months ago
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Important information
Contract type:
Permanent
Location:
London, UK
Work mode:
Onsite
Published on:
29 August 2026
What they need
- Design and write high-performant and scalable software for training models
- Consistently post-train the models to reach SOTA level performance
- Coordinate with other specialist teams (Agentic, Code…) to produce models that have strong all encompassing performance
- Craft and implement techniques to improve the performance and results of our training cycles both on the SFT and the RL regime
- Research, implement, and experiment with ideas on our supercompute and data infrastructure
- Learn from and work with the best researchers in the field
Benefits
- Six weeks’ paid vacation
- Equity / stock options
- RRSP, 401(k), and Pension Scheme contributions
- Coverage for 100% of your insurance premiums across health, dental, vision, and travel
- Additional coverage for accessing mental health providers/services
- Six months of fully paid parental leave, including adoption and surrogacy
- Financial support for egg freezing and IVF in Canada and the UK
- A monthly fitness and wellness allowance
- Globally dispersed company that supports a remote work culture
- A $2,000 annual education benefit for professional development
- A weekly stipend for meals when working remotely and catered lunch when working from one of our global offices
- A monthly arts and culture allowance
- A monthly quality time allowance- Experience using large-scale distributed training strategies
- Proficiency in Python and related ML frameworks such as JAX, Pytorch and XLA/MLIR
- Bonus: paper at top-tier venues (such as NeurIPS, ICML, ICLR, AIStats, MLSys, JMLR, AAAI, Nature, COLING, ACL, EMNLP)
- Experience with distributed training infrastructures (Kubernetes, Slurm) and associated frameworks (Ray)
- Hands on experience on training large model at scale
- Hands on experience with the post training phase of model training, with a strong emphasis on performance optimisation
- Extremely strong software engineering skills
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