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.
Hands-on experience integrating AI/ML features via providers like OpenAI or Claude.
Ability to thrive in a founding-stage startup environment with rapid feature shipping.
Strong communication and collaboration skills.
Responsibilities
Ship features to production on a daily basis.
Own end-to-end product areas from concept to deployment.
Design, build, and consume REST APIs on the backend.
Build scalable frontend interfaces using React.
Integrate AI/ML capabilities from providers such as OpenAI or Claude.
Collaborate closely with the CTO and founding team to define technical direction.
Model and manage data with PostgreSQL and Supabase.
Benefits
Visa sponsorship is available.
Work in a collaborative hackerhouse environment in San Francisco.
Full Job Description
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.