About this role
About the RoleJoin a pre-seed AI startup as Engineer #4 on the founding team, working directly with the CTO and fellow founding engineers. This is a high-ownership, fast-paced role where you'll ship features to production daily and own entire product areas from concept to deployment. The company is building fully agentic systems that automate complex workflows — technically challenging, high-impact work at the earliest stage.
What You'll DoShip features to production on a daily cadence
Own end-to-end product areas from initial concept through deployment
Design, build, and consume REST APIs on the backend
Build scalable frontend interfaces with React
Integrate AI/ML capabilities using providers such as OpenAI or Claude
Collaborate closely with the CTO and founding team to define technical direction
Model and manage data using PostgreSQL and Supabase
What We're Looking ForRequired:
Proficiency in full-stack development with TypeScript/JavaScript and Python
Backend experience with Node.js and REST API design/consumption
Frontend experience with React for building scalable UIs
Experience with PostgreSQL and Supabase for data modeling and storage
Hands-on experience integrating AI/ML features via providers like OpenAI or Claude
Ability to thrive in a founding-stage startup environment — owning features and shipping rapidly
Strong communication and cross-functional collaboration skills
Willingness to work on-site in San Francisco (hackerhouse environment) or commute as needed
Location & Work ArrangementThis role is based on-site in San Francisco, CA. The team works out of a shared hackerhouse/office environment. Visa sponsorship is available.