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Founding Full-Stack Engineer

truthsystems (S25)

San Francisco, CA, USFull-timefull stack

About this role

About the role 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 About Floot Floot is building the AI-first software foundation for non-coders to build and deploy full-stack web apps. We grew from 5 to 600+ paying customers during YC! 🚀 Unlike other platforms that cobble together dev tools, we're rebuilding the entire software stack for a world where AI writes most of the code. Our goal: Make Floot the default choice for anyone to build and ship software. Our founders are staff engineers from Retool and AWS. Edward (CTO) bootstrapped his last SaaS company to $5M+ ARR in one year. Floot Founded: 2025 Batch: S25 Team Size: 2 Status: Active   Founders Edward Look   Founder Yujian Yao   Founder