Founding Full-Stack Engineer

Floot is an AI-powered no-code platform for non-coders and entrepreneurs to build apps.

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Job listing · Updated 21 AUG 2026

Job title: Founding Full-Stack Engineer
Job location: San Francisco, CA, US
Job listing URL: https://www.ycombinator.com/companies/floot/jobs/2rbWibL-founding-full-stack-engineer
Job description: As engineer #1, you will work directly with the founders to build the product and shape our culture. You’ll wear many hats and touch everything from AI systems, user-facing features, to backend infrastructure. ### What you’ll do * **Talk to users often** to deeply understand how to improve Floot's AI and UX (you can expect to spend 10-20% of your time on support) * **Ship full-stack features** and build the foundational building blocks that users will use to build their apps seamlessly (e.g. storage, payments, auth, etc) * **Improve our AI runtime** to handle edge cases and make our agentic system more reliable * **Prompt engineering** **and evals** to improve AI output quality (for both function + design) * **Build robust infrastructure** for our end-to-end platform to power millions of production apps ### Requirements * **Strong full-stack experience with React, TypeScript, and Node.js**: you've shipped production features end-to-end * **Strong sense of ownership**: you’re autonomous and own features from start to finish * **Fast but thoughtful**: you ship quickly without cutting corners on things that matter * **Strong sense for UX and product polish:** you believe that craft matters

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