YC Startup Jobs
Browse open roles at Y Combinator startups. Updated regularly from Work at a Startup.
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Product Engineer
Bunkerhill Health (W19)
San Francisco, CA, USFull-time$140K - $240K
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Software Engineer (Fullstack)
Shef (W19)
San Francisco / New York, NY, USFull-time$100K - $130K
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Founding Engineer | 👨🏻💻 AI-Native Mental Health Care (backed by Y Combinator, $3.3M+ ARR, $7M+ rais
Legion Health (S21)
San FranciscoFull-time$140K - $220K
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Senior/Staff Full Stack Engineer
Verse Medical (S18)
San Francisco, CA, USFull-time$150K - $220K
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Product Engineer
Lamar Health (W21)
San Francisco, CA, US / San Mateo, CA, US / Remote (US; CA)RemoteFull-time$150K - $220K
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Senior Software Engineer (Agentic Systems)
Tavus (S21)
San Francisco, CA, US / Remote (US)RemoteFull-time$160K - $250K
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Senior Full Stack Engineer
LiveFlow (W21)
London, England, GB / New York, NY, US / San Francisco, CA, USFull-time$100K - $200K
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Product Engineer, Post Batch
Unknown
San Francisco, CAFull-time$185K - $350K
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Systems Engineer
Substack (W18)
San Francisco, CA, US / New York, NY, USDevopsFull-time$185K - $225K
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Senior Software Engineer (Product Engineering)
Prolific (S19)
San Francisco, CA, USFull-time$200K - $250K
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Open Source Engineer (DevRel / Community)
Manufact (formerly mcp-use) (S25)
San Francisco, CA, US / Zürich, Zurich, CHFull-time
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Engineering Intern
Leadbay (F25)
InternParis, IDF, FR / Paris, Île-De-France, FR / San Francisco, CA, USFull-time
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Founding Engineer Full Stack
Pangolin (S25)
San Francisco, CA, US / Remote (US)RemoteFull-time
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Founding Software Engineer
BootLoop (S25)
San Francisco, CA, USFull-time
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Software Engineer (Founding Team)
Manufact (formerly mcp-use) (S25)
Zürich, ZH, CH / Zürich, Zurich, CH / San Francisco, CA, USFull-time
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Cloud Engineer (Infra / DevOps)
Manufact (formerly mcp-use) (S25)
San Francisco, CA, US / Zürich, Zurich, CHDevopsFull-time
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Founding Full-Stack Engineer
Floot (S25)
San Francisco, CA, USFull-time
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Founding Engineer
NOSO LABS (S25)
San Francisco, CA, USFull-time
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Founding Engineer (Full-Stack)
Uplane (F25)
San Francisco, CA, USFull-time
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Founding AI Engineer
Uplane (F25)
San Francisco, CA, USFull-time
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Frontend Engineer
Leadbay (F25)
Paris, IDF, FR / Paris, Île-De-France, FR / San Francisco, CA, USFull-time
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Machine Learning Intern
Human Archive (W26)
InternSan Francisco, CA, US / Remote (US)RemoteFull-time
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Senior Mobile SDK Engineer
Tenjin (S14)
San Francisco / Remote (US; CA; MX; CO; AR; BR; PE)RemoteFull-time
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Founding Engineer
AgentMail (S25)
San Francisco, CA, USFull-time
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Founding GPU Compiler Engineer
SF Tensor (F25)
San FranciscoFull-time
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Founding Engineer
AgentMail (S25)
San Francisco, CA, USFull-time
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Founding Full-Stack Engineer
truthsystems (S25)
San Francisco, CA, USFull-time
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Robotics Data Infrastructure Engineer
Verne Robotics (S25)
San Francisco, CA, USFull-time
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Founding Software Engineer
BootLoop (S25)
San Francisco, CA, USFull-time
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Cloud Engineer (Infra / DevOps)
mcp-use (S25)
San Francisco, CA, US / Zürich, Zurich, CHDevopsFull-time
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Software Engineer (Founding Team)
mcp-use (S25)
Zürich, ZH, CH / Zürich, Zurich, CH / San Francisco, CA, USFull-time
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Founding Research Engineer, AI-Driven Compilation
SF Tensor (F25)
San FranciscoFull-time
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Founding Product Engineer
SF Tensor (F25)
San FranciscoFull-time
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Founding ML Researcher
Unsiloed AI (F25)
San Francisco, CA, USFull-time
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Founding Engineer (Unity Mobile)
Pax Historia (W26)
San FranciscoFull-time
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Open Source Engineer (DevRel / Community)
mcp-use (S25)
San Francisco, CA, US / Zürich, Zurich, CHFull-time
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Founding GPU Kernel Engineer
SF Tensor (F25)
San FranciscoFull-time
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Director of Engineering
Treasury Prime (W18)
San Francisco, CA, US / Remote (US)Engineering ManagerRemoteFull-time
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Manufacturing Engineer
iSono Health (W16)
South San FranciscoMechanicalFull-time
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Software Engineer
Quill (W20)
San Francisco, CA, USFull-time
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iOS Engineer
Substack (W18)
San Francisco, CA, USIOSFull-time