Source description
About the role
b12 Labs
Making hard molecules for Pharma and Biotech
Founding Software Engineer
$100K - $150K•0.50% - 2.00%•San Francisco, CA, US
Job type
Full-time
Role
Engineering, Full stack
Experience
6+ years
Visa
US citizen/visa only
Connect directly with founders of the best YC-funded startups.
Zlatko Jončev
Founder
Zlatko Jončev
Founder
About the role
Systems design systems engineering, scaling and maintaining software products
Have built stuff with and without agents
Curious and eager to learn every day 10 new things
Background in chemistry good, but not needed, open to learning more
ML research ideally ai 4 science
Product design
About b12 Labs
b12 makes high-value molecules that are otherwise hard to make. We help pharma companies plan and make new drugs, accelerating early-stage drug discovery from years to months. Andres built the first AI agent that can autonomously think and make molecules in a robotic lab, published in Nature Machine Intelligence (1000+ citations), and won the best paper award at the NeurIPS AI for Science conference. Zlatko is a 3x National Chemistry Olympiad champion, competed at the IChO level, and is a medicinal chemist who has worked at Roche and leading lab robotics companies. Combined, we have an extensive network of hundreds of chemists, automation scientists, and AI4Science researchers. Currently, we are running the most sophisticated chemistry automation lab in the world that enables us to accelerate the manufacturing of small molecules.
Founded:2025
Batch:S25
Team Size:3
Status:
Active
Location:San Francisco
Company websiteLinkedIn profile
Founders
Andres Bran
Founder
Andres Bran
Founder
Zlatko Jončev
Founder
Zlatko Jončev
Founder
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