Early-Stage Startup 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.