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Role description

Research Scientist

Chai Discovery logoChai Discovery
AI-native
TypeFull-time
WorkplaceOn-site
LocationSan Francisco, CA
Posted3/6/2026
Research

About Chai Discovery

Chai Discovery builds the computer-aided design suite for molecules. Eli Lilly, GSK, Pfizer, Bristol Myers Squibb, argenx and Novartis all use Chai to power drug discovery programs. AI is reinventing life sciences the same way it reinvented software engineering, and our team is building that future.

We train frontier models that learn the underlying foundations of biochemical structure and interaction. We pair this with a computational workspace to iterate on molecules from idea to medicine, helping scientists move faster and develop medicines beyond the reach of existing methods.

We value diverse perspectives and are ready to find greatness in unexpected places.

About the role

We are hiring research scientists with outlier insight who can open new avenues for the work we pursue. Our models have moved beyond protein structure prediction into real-world therapeutic engineering, and we have only just begun. We draw on the best ideas from within our domain and from across the field: pre-training large diffusion models, architecture design, post-training, and inference-time scaling.

Our team comes from physics, math, theoretical computer science, engineering, and computational biology. What we share is a record of getting hard, open-ended problems to work, and together we foster a culture of rigor, smart risk-taking, and constant collaboration. Many of us had never worked on molecules or biology before Chai.

This is the place to apply if your strongest work happened outside AI for biology, or if you aren't sure which of our research roles fits you best.

About you

We are looking for researchers driven by impact. We index on grit, rigor and results.

  • A research record of your own, in academia or industry: first-author work, a method others adopted, or a system you got working at scale in the real world.

  • Strong reasoning from first principles and sound experimental design, and you're comfortable with ambiguity and messy data.

  • Enough engineering to be self-sufficient: you implement your own models and run your own experiments.

We value the work product more than the pedigree, and we are happy bet on rising talent. A strong signal in any field counts, from world models or autonomous systems to top placement at IMO or Putnam.

We offer

The opportunity to work at the vanguard of AI research and frontier biology, with world-class people, on a mission that matters. We protect and promote a culture of high velocity and ownership. We compensate our team accordingly.

Relevant archetypes

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Company info

Chai Discovery logo

Chai Discovery

Building frontier artificial intelligence to predict and reprogram the interactions between biochemical molecules.

Private companySeries CMega roundIn the newsAI-product
HQSan Francisco, United States
Size11-50 employees
Unlock human wisdom
ThesisTermsPrivacy
Industry
Technology, Information and Internet
Funding
  • Series C · $400M · Jul 14, 2026
Investors
Index VenturesKleiner PerkinsSequoia CapitalAmazon Web ServicesDimension
Tech stacknodejs, kubernetes, egress, microsoft-typescript, workspace, python, ashby, tensorflow, cuda, triton
News
  • Chai Discovery, Roche to Collaborate on AI Drug Discovery
  • Roche taps Chai Discovery's AI models for drug discovery programs
  • Chai Discovery partners with Roche to apply AI drug design across its pipeline
  • Chai's AI dealmaking streak rolls on with Roche drug discovery pact
  • Roche Partners with Chai Discovery to Deploy Chai-3 Across Global Therapeutic Pipelines

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