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Chai Discovery

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Raised $130M Series B on December 15, 2025

Chai has built an AI model that its founders claim can transform the process of designing molecules that bind to proteins and influence their function. The company aims to enable the creation of de novo antibodies and, ultimately, drugs.

San Francisco, United States

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$130M Series B

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Biotech

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Onsite

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1–10

Research Scientist

San Francisco office · Posted on Mar 6, 2026

Forward-Deployed Scientist

San Francisco office · Posted on Mar 5, 2026

Engagement Management

San Francisco office · Posted on Mar 4, 2026

Business Development

San Francisco office · Posted on Mar 4, 2026

Antibody Engineering

San Francisco office · Posted on Feb 15, 2026

Special Projects

San Francisco office · Posted on Jan 15, 2026

Internship

San Francisco office · Posted on Jan 14, 2026

Software Engineer, Infrastructure

San Francisco office · Posted on Nov 25, 2025

Data Generation

San Francisco office · Posted on Nov 6, 2025

Product Designer

San Francisco office · Posted on Jun 30, 2025

Software Engineer, Product

San Francisco office · Posted on Jun 30, 2025

Research Engineer

San Francisco office · Posted on Sep 5, 2024

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