Founding Engineer

ABOUT THE ROLE 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. WHAT YOU'LL DO • 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 WHAT WE'RE LOOKING FOR 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 LOCATION & WORK ARRANGEMENT This role is based on-site in San Francisco, CA. The team works out of a shared hackerhouse/office environment. Visa sponsorship is available.