17,732 Y Combinator jobs
Open roles at Y Combinator–backed companies, from current batches to graduated unicorns.
Turbomachinery 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…
IT Operations Engineer
Provide hands-on IT support for engineers and operators at a space-launch facility, maintaining workstations, networks, AV systems, and user access in a fast-paced aerospace startup.
Avionics - Stage Integration & Test Engineer
Designs, integrates, and tests avionics flight hardware for a reusable launch vehicle, coordinating with teams to validate systems and support launch operations.
Materials & Process Engineer
Engineer materials and processes for a reusable rocket program, testing and qualifying components like engines and structures to ensure reliability and performance.
Assembly Technician - Electromechanical
Assemble and test aerospace electromechanical systems like thrust vector control units, using precision tools and soldering; document builds and troubleshoot issues with engineers.
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…
Mechanical Design Manager - Nova Stage 1 Aft
Lead a team designing cryogenic propellant and high-pressure gas systems for a reusable orbital launch vehicle, setting standards and mentoring engineers from concept to flight operations.
Product Designer - Boltline
Design intuitive software tools for aerospace manufacturing teams, shaping Boltline to streamline hardware development and traceability for reusable rockets and advanced manufacturing.
Construction & Infrastructure Engineer
Design and build test-site infrastructure for a reusable orbital launch vehicle, overseeing civil/structural projects from engineering to activation while ensuring safety and cost control.
Mechanical Design Engineer - Heavy GSE Mechanisms
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 Development Manager, Integrations - Boltline
Manager role leading the Integrations team for Boltline, Stoke Space's commercial software platform used to build its reusable rocket and serve advanced hardware manufacturers. The job blends people management, product ownership, and hands-on work building SaaS integrations with React/Next.js, reliable APIs, RDBMS, and AWS.
Vehicle Software Engineer – Rust Controls
Builds a Rust-based automation framework that lets Stoke Space teams compose vehicle and ground control behavior for benchtop checkouts, engine hotfires, and flight of the Nova reusable rocket. Day-to-day work spans Rust and Python, distributed software-hardware control abstractions, guardrails, tests, and hardware test support.
Design Reliability Engineer - System Safety
Stoke Space is hiring a Design Reliability Engineer (System Safety) in Kent, WA to define and lead system safety and reliability analyses (FHA, FMECA, FTA, HAZOP) across the Nova fully reusable launch vehicle, partnering with cross-disciplinary engineering teams and external entities like the FAA. Requires an aerospace background, 5+ years on complex high-reliability products, and strong communica
Assembly Technician - Aft End
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…
Payroll Administrator / Accounting Specialist
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…
Additive Manufacturing 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…