17,969 Y Combinator jobs
Open roles at Y Combinator–backed companies, from current batches to graduated unicorns.
Lead Forecasting & Financial Analyst
To thrive as a company and meet our impact goals, we must cultivate a culture of high-performance. You can read about our culture principles here. We know managers are often the single-largest driver of employee…
EHS Training Specialist II
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…
Associate Manager, Customer Success
About the Team The SevenRooms Customer Success Team is the heartbeat of our customers. We are a diverse, global team dedicated to helping our customers meet their business goals through creative problem-solving, data…
Software Engineer, Operations
Builds and operates the mission operations software for Relativity Space's Mars 2028 interplanetary mission — spacecraft commanding, telemetry, automated test suites, and external partner interfaces. Hands-on Python engineering at the intersection of software and spacecraft operations.
Senior Quality Inspector - Test & Launch
Inspects aerospace hardware against CAD models and engineering drawings to ensure quality and compliance, collaborating with engineering and manufacturing teams to resolve issues.
Quality Inspector Technical Specialist I
Inspects aerospace propulsion components and stage assemblies for flight readiness using precision tools and engineering drawings at a rocket development facility.