Software Engineer jobs at Y Combinator startups

Find open roles and connect with founders and hiring teams of over 1,000 vetted, funded Y Combinator startups. And create one application to apply to hundreds of roles at YC companies.
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Instawork (S15) A flexible work app that connects businesses with hourly workers.
Staff Software Engineer

fulltimeSan Francisco, California, United StatesFull stack

Instawork (S15) A flexible work app that connects businesses with hourly workers.
Senior Software Engineer

fulltimeSan Francisco, California, United StatesFull stack

GiveCampus (S15) The fundraising platform for schools.
Full Stack Engineer

fulltimeDC, SF, and remote / Remote (US)Full stack

SnapMagic (S15) AI copilot for electronics design
Lead Software Engineer – Core Platform

fulltimeRedwood City, CA, USFull stack

SnapMagic (S15) AI copilot for electronics design
Technical Product Manager

fulltimeSan Mateo, CA, USEngineering manager

OneSignal (S11) Engage customers through personalized omni-channel messaging
Senior Data Engineer

fulltimeUnited States (Remote) / Remote (CA, US; New York, NY, US; NJ, US; PA, US; WA, US; TX, US; UT, US)Full stack

OneSignal (S11) Engage customers through personalized omni-channel messaging
Engineering Manager, User Data Team

fulltimeSan Mateo, CA, US / Remote (CA, US; WA, US; PA, US; UT, US; TX, US; New York, NY, US)Backend

Qventus (W15) We automate operations for hospitals and health systems
Staff Data Platform Engineer - GenAI

fulltimeRemote, United States / Remote (US)Full stack

Checkr (S14) People infrastructure for the future of work
Senior Backend Software Engineer

fulltimeDenver, Colorado, United StatesBackend

Checkr (S14) People infrastructure for the future of work
Chief of Staff, CTO

fulltimeSan Francisco, California, United StatesFull stack

Wefunder (W13) We're Robinhood for pre-IPO startups. Everyone can invest $100.
Full Stack, Senior Software Engineer

fulltimeRemoteFull stack

Blaze (S24) Global Venmo for cross border payments
🚀 Founding Engineer at Blaze 🚀

fulltimeRemote (US)Full stack

Kontigo (S24) USDC-Smart Neobank for Latinos.
Founding Engineer

fulltimeSan Francisco, CA, US / RemoteFull stack

Remo (S24) AI for compliance teams at banks
Founding Backend Engineer

fulltimeDubai, Dubai, AEBackend

Brighterway (S24) Streamlining the record review process for physicians in medlegal…
Founding Machine Learning Engineer

fulltimeSan Francisco, CA, USMachine learning

Brighterway (S24) Streamlining the record review process for physicians in medlegal…
Founding Full Stack Engineer

fulltimeSan Francisco, CA, USFull stack

Distro (S24) The AI co-pilot for sales reps at industrial wholesale distributors.
Tech Lead

fulltimePalo Alto, CA, USFull stack

Distro (S24) The AI co-pilot for sales reps at industrial wholesale distributors.
Senior Software Engineer

fulltimePalo Alto, CA, USFull stack

David AI (S24) Data for audio AI
Founding Engineer

fulltimeSan Francisco, CA, US / New York, NY, USFull stack

Unriddle (S24) Read, write and find research papers faster.
Design Engineer

fulltimeSan Francisco, CA, US / Remote (US)Frontend

Unriddle (S24) Read, write and find research papers faster.
Full-Stack Engineer

fulltimeSan Francisco, CA, US / Remote (US)Full stack

Olive Legal (S24) AI medical summaries for injury lawyers
Founding Full Stack Engineer

fulltimeNew York, NY, USFull stack

Anthrogen (S24) We make molecules like fuels and plastics from the air.
Computational Biologist/ML Engineer

fulltimeSan Francisco, CA, USMachine learning

Weave Robotics (S24) Personal robots for the home--that ship in 2025
System Software Engineer

fulltimeSan Francisco, CA, USBackend

Weave Robotics (S24) Personal robots for the home--that ship in 2025
ML Research Scientist

fulltimeSan Francisco, CA, USMachine learning

Tivara (S24) Using LLMs to automate insurance approval for healthcare clinics
Founding Product Engineer

fulltimeNew York, NY, USFull stack

Silurian (S24) Foundation models to simulate Earth, starting with weather.
Founding Research Engineer

fulltimeSeattle, WA, US / RemoteFull stack

Corgi (S24) Corgi is building an AI insurance company
Founding Engineer

fulltimeSan Francisco, CA, USFull stack

Corgi (S24) Corgi is building an AI insurance company
Founding Engineer

fulltimeSan Francisco, CA, USFull stack


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