17,732 Y Combinator jobs
Open roles at Y Combinator–backed companies, from current batches to graduated unicorns.
Launch Engineer - Environmental, Health & Safety (EHS)
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…
Software Integration Engineer - Test Site
Be the dedicated software engineer at Stoke Space's Moses Lake rocket test site, owning all test-stand and ground-system software through every hot fire. Day to day you keep the Rust/Python/NixOS stack verified and deployed, build tools to speed up test campaigns, and troubleshoot anomalies in real time on-console.
Facilities Engineer
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…
CNC Machinist
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…
Human Resources Business Partner
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…
Mechanical Engineer (Mid-Sr)
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…
Mechanical Engineer (Payload Module Jettison Systems)
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…
Structures Fabricator (Sheet Metal)
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…
Talent Sourcer
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…
Technical Recruiter
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…
Senior Software Engineer- Posture
Build AI-driven security agents in Go that simulate adversarial behaviors to proactively find weaknesses and improve national cyber-resilience.
Lead Product Designer
Design intuitive AI-native interfaces for a sovereign cyber-defense platform, balancing human-centered UX with explainable AI patterns and complex data workflows.
Solution Architect
Solution Architect managing pre- and post-sales technical engagements for a national cyber-defense company, focusing on deploying cybersecurity platforms, leading PoCs, and acting as a trusted technical advisor using SIEM, EDR/XDR, and AI-based solutions.
Senior Embedded Firmware Engineer
Develop and debug bare-metal firmware for autonomous haulage systems in mining and construction, integrating with vehicle hardware and CAN protocols.