Join 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.
Ship 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
Required:
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
This role is based on-site in San Francisco, CA. The team works out of a shared hackerhouse/office environment. Visa sponsorship is available.