YC Startup Jobs
Browse open roles at Y Combinator startups. Updated regularly from Work at a Startup.
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Open Source Engineer (DevRel / Community)
Manufact (formerly mcp-use) (S25)
San Francisco, CA, US / Zürich, Zurich, CHFull-time
P
Founding Engineer Full Stack
Pangolin (S25)
San Francisco, CA, US / Remote (US)RemoteFull-time
B
Founding Software Engineer
BootLoop (S25)
San Francisco, CA, USFull-time
C
Fullstack Engineer
Channel3 (S25)
New York, NY, USFull-time
C
Backend Engineer
Channel3 (S25)
New York, NY, USFull-time
M
Software Engineer (Founding Team)
Manufact (formerly mcp-use) (S25)
Zürich, ZH, CH / Zürich, Zurich, CH / San Francisco, CA, USFull-time
M
Cloud Engineer (Infra / DevOps)
Manufact (formerly mcp-use) (S25)
San Francisco, CA, US / Zürich, Zurich, CHDevopsFull-time
F
Founding Full-Stack Engineer
Floot (S25)
San Francisco, CA, USFull-time
N
Founding Engineer
NOSO LABS (S25)
San Francisco, CA, USFull-time
A
Founding Engineer
AgentMail (S25)
San Francisco, CA, USFull-time
M
Founding Engineer: Backend + AI-Focused Full-Stack Developer (Amsterdam)
Minimal AI (S25)
Amsterdam, NH, NL / Amsterdam, North Holland, NLFull-time
A
Founding Engineer
AgentMail (S25)
San Francisco, CA, USFull-time
t
Founding Full-Stack Engineer
truthsystems (S25)
San Francisco, CA, USFull-time
V
Robotics Data Infrastructure Engineer
Verne Robotics (S25)
San Francisco, CA, USFull-time
B
Founding Software Engineer
BootLoop (S25)
San Francisco, CA, USFull-time
m
Cloud Engineer (Infra / DevOps)
mcp-use (S25)
San Francisco, CA, US / Zürich, Zurich, CHDevopsFull-time
m
Software Engineer (Founding Team)
mcp-use (S25)
Zürich, ZH, CH / Zürich, Zurich, CH / San Francisco, CA, USFull-time
M
Founding Engineer: Backend + AI-Focused Full-Stack Developer (NYC)
Minimal AI (S25)
New York, NY, USFull-time
M
Founding Engineer: Product-Focused Full-Stack Developer (Amsterdam)
Minimal AI (S25)
Amsterdam, NH, NL / Amsterdam, North Holland, NLFull-time
m
Open Source Engineer (DevRel / Community)
mcp-use (S25)
San Francisco, CA, US / Zürich, Zurich, CHFull-time
M
Full-Stack Developer (NYC)
Minimal AI (S25)
New York, NY, USFull-time