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Research, ML

Exa· Research
Apply on company site
San Francisco, California$180k - $350k + equityFull-timePosted 11mo ago

About the role

ML Research Engineer to train embedding models for search over the web, develop novel transformer-based architectures, create datasets and evals, and push state-of-the-art performance for Exa’s large-scale search system.

Responsibilities

  • Train embedding models for search over the web.
  • Design novel transformer-based search architectures.
  • Create large-scale datasets and evaluation protocols.
  • Beat internal state-of-the-art models and iterate on architectures and datasets.
  • Build an evaluation system to measure improvements in search quality.

Qualifications

  • Graduate-level ML experience (Master's degree or PhD with at least 2 years of relevant experience, or exceptionally strong undergrad).
  • Ability to code up a transformer from scratch in PyTorch.
  • Experience creating large-scale datasets and deeply analyzing data.
  • Interest in solving the problem of finding high-quality knowledge for the world.

Skills

Required:Transformer modelsPyTorch

Benefits

  • premium healthcare benefits (medical, dental, vision)
  • fertility benefits
  • 16 weeks of fully paid parental leave for all new parents
  • monthly wellness stipend
Last updated Aug 26, 2026. Interested? Apply on the company site.
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About Exa

Web search rebuilt for LLMs

Exa is a search engine built for AIs. We enable developers to filter the internet's content with complex queries in order to bring the world's knowledge into their AI apps.

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