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Senior Research Scientist, Model Evaluation

Cohere· Modeling
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Hybrid (Toronto), Hybrid (San Francisco), Hybrid (Canada), Hybrid (Seattle), Hybrid (London), Hybrid (United States), Hybrid (New York)CA$295k - CA$535kFull-timePosted 11mo ago

About the role

Role focused on creating next-generation evaluation methods and infrastructure to measure LLM progress, with responsibility for benchmarks, cross-functional collaboration, and scalable evaluation tools.

Responsibilities

  • Create ambitious new evaluation benchmarks that push the limits of what our models can accomplish.
  • Work on highly cross-functional teams to translate model feedback into trustworthy, repeatable evaluations.
  • Conduct research to advance the state-of-the-art in LLM evaluation methods, including training LLM judges; refining LLM-based data synthesis pipelines; and improving evaluation efficiency.
  • Build scalable and reusable tools for digging into model performance.

Qualifications

  • Enjoy rapidly building prototypes that demonstrate the boundaries of what LLMs are capable of, and have developed resources to measure those capabilities.
  • Spent dozens of hours reviewing complex data and LLM outputs to ensure high data quality.
  • Obsessive about rigorously measuring AI capabilities and ensuring measurements align with the desired capabilities.
  • Strong software engineering skills.

Skills

Required:Evaluation methodologyPrototypingData quality reviewSoftware engineering

Benefits

  • A weekly lunch stipend of $75/£75 or equivalent in local currency for lunch.
  • Full health and dental benefits, including a separate budget for mental health.
  • RRSP matching, 401K, Pension Scheme.
  • 100% Parental Leave top-up for up to 6 months, for either parent.
  • Annual enrichment benefits: Arts & culture, fitness/wellness, quality time, and a workspace improvement credit.
  • Education & learning stipend for conferences, courses, and coaching.
  • 6 weeks of paid vacation (30 working days).
  • Budget for traveling to other offices if remote, plus an annual company offsite.
  • Remote-friendly with home office stipend and coworking benefits.
Last updated Oct 21, 2026. Interested? Apply on the company site.
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