Founding Product Engineer (Full Stack)
b12 Labs, San Francisco, California
About the job
About B12
B12 is building an AI-native software platform for chemistry.
Our products help scientists move from a target molecule to a synthesis plan, design experiments, and translate those experiments into workflows for automated laboratories. The platform combines scientific software, AI agents, data infrastructure, and real lab automation.
Today, b12 Labs supports 5 of the top 10 largest pharma companies, running chemistry faster each week. You will help us further grow that usage and improve the overall experience in the platform.
We have built the core technology. Now we need an exceptional engineer to make the entire product feel fast, dependable, and coherent for customers.
The role
We are looking for a Founding Product Engineer who will take end-to-end responsibility for the b12 Labs’ SaaS platform.
You will work across the frontend, backend, infrastructure, and AI systems. You will work directly with the founders, scientists, and customers. You will have substantial influence over the product, technical architecture, and engineering culture.