Founding Engineer
$100K - $200k / 0.50% - 2% / San Francisco, CA, US / Full-time
About the Role
We're looking for a Founding Engineer who loves writing high-quality, fast code and who cares deeply about users. You’ll work across backend and frontend to ship features quickly, fix critical bugs, and improve performance.
You’ll own real product decisions, listen to users, and ship things that directly impact our growth and student experience.
What You'll Do
• Ship features that increase retention, MRR, and user engagement
• Fix bugs, improve core product performance, and optimize systems
• Build backend (FastAPI + Python) and frontend (Next.js, React Native)
• Work on scalability, reliability, and speed across the stack
• Talk to users, iterate fast, and build what they actually need
• Take ownership -> from idea to deploy
You're likely a good fit if...
• You’re self-driven, adaptable, and ready to go deep in the code• You like debugging and solving tough technical problems
• You enjoy wearing multiple hats and switching contexts
• You care about users and build based on real feedback
• You want your work to directly shape the future of learning
About YouLearn
YouLearn is an AI tutor personalized to each student.
Backed by
Y Combinator, we've grown YouLearn to over 1.5 million users, turning learning materials into concise notes, an AI tutor you can talk to, and personalized tests.
But that's just the beginning. Our ultimate goal is to build a personalized AI tutor for everyone. Think of it as your personal "Aristotle," a lifelong tutor that grows with you.
We're working toward that future of education one student, one question, one step at a time.
If you're excited to shape how the world learns, join us.