Founding Full-Stack Engineer
Floot, San Francisco, California
- Pay
- $150K–$220K / year
- Work type
- Not stated
- Level
- Not stated
- Area
- Software engineering
- Posted
- Sep 30, 2025
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
Similar roles at other companies
Founding Engineer
FabrionSan Francisco Bay Area
Pay not posted
Posted Aug 11, 2025
Frontend Engineer
Flo HealthVilnius
€6K–€8K / yr
Posted Jun 22, 2026
Frontend Engineer (Founding Team)
FabrionSan Francisco Bay Area
Pay not posted
Posted Aug 11, 2025
Sr. Full Stack Engineer
FuserRemote +1
$80K–$180K / yr
Posted Dec 10, 2025
Founding Design Engineer
CleraSan Francisco
$180K–$220K
Listed on Y Combinator's job board; checked 22 h ago. First seen by us 22 h ago. Being listed doesn't mean the team is actively interviewing.