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) Flexible staffing solution for hourly workers and hospitality
Senior Full-Stack Engineer
fulltimeVancouver, BC, CanadaFull Stack
Instawork (S15) Flexible staffing solution for hourly workers and hospitality
Lead / Principal Software Engineer (BLR)
fulltimeBengaluru, Karnataka, India / RemoteFull Stack
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TetraScience (S15) The only R&D data cloud for life sciences
Senior Software Engineer - Platform
fulltimeRemoteFull Stack
TetraScience (S15) The only R&D data cloud for life sciences
Senior Data Architect
fulltimeRemoteData Science
Reach Labs (S15) Long range, wireless energy distribution that scales
RF and Antenna Engineer
fulltimeRedwood City, CAElectrical
Reach Labs (S15) Long range, wireless energy distribution that scales
Senior RF Systems Engineer
fulltimeRedwood City, CAElectrical
OneSignal (S11) Customer messaging via push notifications, email, SMS, & in-app.
Tech Lead, Developer Advocacy
fulltimeSan Mateo, CA / New York City, NY / Remote (CA/TX/PA/NY)Devops
OneSignal (S11) Customer messaging via push notifications, email, SMS, & in-app.
Head of Developer Relations
fulltimeNew York, NY / San Mateo, CA / Remote (United States)Engineering Manager
Cambly (W14) On-demand access to English tutors over video chat.
Engineering Manager
fulltimeSan FranciscoEngineering Manager
Cambly (W14) On-demand access to English tutors over video chat.
Sr. Android Engineer
fulltimeSan Francisco, CAAndroid
Padlet (W13) Papyrus → Parchment → Paper → Padlet
Software Engineer – Backend
fulltimeSan FranciscoFull Stack
Padlet (W13) Papyrus → Parchment → Paper → Padlet
Software Engineer – Backend
fulltimeSingaporeFull Stack
Sameday (W23) Always be available.
Software Engineer with Conversational AI emphasis
fulltimelehi, utah / RemoteFull Stack
Cambio (S22) Decarbonizing commercial real estate at scale
Head of Engineering at Rapidly-Growing Climate x Commercial Real Estate Startup
fulltimeRemoteFull Stack
Cambio (S22) Decarbonizing commercial real estate at scale
Founding Sr SWE at Rapidly-Growing Climate x Commercial Real Estate Startup
fulltimeRemoteBackend
AlgoTest (S22) High-Frequency Options Trading for India
Founding Frontend Engineer (ReactJS)
fulltimeNew Delhi, Delhi, India / Gurgaon, Haryana, IndiaFrontend
AlgoTest (S22) High-Frequency Options Trading for India
Founding Backend Engineer - Core Trading Platform
fulltimeGurgaon, Haryana, India / New Delhi, Delhi, IndiaBackend
Caddie (S22) “Contact Sales” Experience for B2B Websites
Senior Software Engineer (Founding Engineer)
fulltimeRemoteFull Stack
Conversion Pattern (S22) No-Code Customer Data Platform for the cookieless era
Full-Stack Software Engineer
fulltimeRemoteFull Stack
Fini (S22) Proactively solve customer issues with AI
Founding Front End Engineer
fulltimeAmsterdam, Netherlands / RemoteFrontend
Metriport (S22) Open-source universal API for healthcare data.
Founding Software Engineer
fulltimeSan Francisco, CA / Remote (United States/Canada)Full Stack
Coris (S22) Risk Infra for SaaS companies and Fintechs that Underwrite SMBs
Founding Engineer
fulltimeMilpitas, CA / SF, CA / Remote (San Francisco, CA)Backend
Peoplebox (S22) OKR and Strategy Execution Platform for Enterprises
Senior Backend Engineer (Rails)
fulltimeRemoteBackend
Zoltar Labs (S22) Smart contract testing and deployment made faster
Founding Engineer
fulltimeNew York, NYBackend
Zoltar Labs (S22) Smart contract testing and deployment made faster
Founding Backend Developer
fulltimeNew York, NYBackend
Pulppo (S22) Shopify for Real Estate Agents in LATAM
Fullstack Software Engineer
fulltimeCiudad de México, CDMX, Mexico / Buenos Aires, Argentina / Remote (Mexico/Argentina/Colombia)Full Stack
Novig (S22) The first commission-free, high-frequency sports betting exchange
Quantitative Sports Researcher
fulltimeNew York, NYMachine Learning
Novig (S22) The first commission-free, high-frequency sports betting exchange
Quantitative Sports Trader
fulltimeNew York, NYMachine Learning
Chariot (S22) A payment network connecting nonprofits to the $160B in DAFs
Founding Engineer
fulltimeNew York, NYFull Stack
Immuna (S22) Risk mitigation platform for crypto investors
Software Engineer (full stack)
fulltimeRemoteFull Stack