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
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Ship features to production on a daily cadence
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Own end-to-end product areas from initial concept through deployment
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Design, build, and consume REST APIs on the backend
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Build scalable frontend interfaces with React
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Integrate AI/ML capabilities using providers such as OpenAI or Claude
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Collaborate closely with the CTO and founding team to define technical direction
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Model and manage data using PostgreSQL and Supabase
What We’re Looking For
Required:
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Proficiency in full-stack development with TypeScript/JavaScript and Python
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Backend experience with Node.js and REST API design/consumption
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Frontend experience with React for building scalable UIs
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Experience with PostgreSQL and Supabase for data modeling and storage
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Hands-on experience integrating AI/ML features via providers like OpenAI or Claude
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Ability to thrive in a founding-stage startup environment — owning features and shipping rapidly
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Strong communication and cross-functional collaboration skills
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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.