Founding Engineer

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

Do you have experience in UI?, 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