18,022 Y Combinator jobs
Open roles at Y Combinator–backed companies, from current batches to graduated unicorns.

AVP, Investment Risk
Designs and implements risk monitoring frameworks for investment portfolios, using Python, SQL, and AI tools to analyze credit, liquidity, and capital risks for a global investment firm in New York.

Associate Customer Solutions Manager
At Stoke, we believe a thriving space economy will enable a vibrant, sustainable, and equitable future here on Earth. That is why we’re building Nova, our fully and rapidly reusable launch vehicle. Designed for daily…

Office Manager & Executive Assistant
About Sygaldry Sygaldry Technologies is building quantum-accelerated AI servers to exponentially speed up training and inference. Our AI servers address the problem of rising compute and energy costs for scaling AI,…

Manager, Vehicle Fluids (Mechanical)
At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s…

Executive Operations Partner
Executive Operations Partner, Office of the CEO (OCEO) At Heart Aerospace, we are developing the ES-30, a regional hybrid-electric commercial aircraft capable of carrying 30 passengers, boasting an all-electric,…







