Software Engineer jobs at Y Combinator startups

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OneSignal (S11) Engage customers through personalized omni-channel messaging
Senior Software Engineer, SDK

fulltimeUnited States (Remote) / Remote (US)Full stack

OneSignal (S11) Engage customers through personalized omni-channel messaging
Senior or Staff Software Engineer, Fullstack

fulltimeUnited States (Remote) / Remote (US)Full stack

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

fulltimeSan Francisco, California, United StatesBackend

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

fulltimeSan Francisco, California, United StatesFull stack

Harper (W25) Harper is an AI-native commercial insurance brokerage.
Founding AI Engineer

fulltimeSan Francisco, CA, US / New York, NY, US / Remote (San Francisco, CA, US; New York, NY, US)Full stack

HumanLayer (F24) Human-in-the-Loop for AI Agents
Founding Engineer

fulltimeSan Francisco, CA, USFull stack

Origami Agents (F24) Agents that find your perfect customers
Software Engineer at Origami Agents (YC F24)

fulltimeSan Francisco, CA, USFull stack

Keye (F24) The Smartest Private Equity Investor
Senior Software Engineer

fulltimeNew York, NY, USFull stack

Raycaster (F24) Research agent for scientific sales
Founding Engineer

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

Raycaster (F24) Research agent for scientific sales
Software Engineering Intern

internSan Francisco, CA, US / New York, NY, US / RemoteFull stack

telli (F24) outbound call automation for B2C companies
founding product engineer

fulltimeBerlin, BE, DEFull stack

Arva AI (S24) AI enabled business verification for banks and fintechs
Applied AI Engineer

fulltimeLondon, England, GB / GBMachine learning

Voker (S24) No-Code AI Builder
Founding Engineer - Full Stack

fulltimeLos Angeles, CA, US / Calabasas, CA, USFull stack

Sepal AI (S24) Data Development for Advanced AI
Founding Full-Stack Engineer

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

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

fulltimeDubai, Dubai, AEBackend

Lilac Labs (S24) We automate the person taking orders at drive-thrus with a voice AI
Founding Engineer

fulltimeSan Francisco, CA, USBackend

Zeit AI (S24) Enterprise insights from spreadsheet data with just a few words.
Founding Engineer

fulltimeMunich, BY, DE / London, England, GB / Remote (London, England, GB; Berlin, BE, DE; Paris, Île-de-France, FR)Full stack

David AI (S24) Data for audio AI
Founding Engineer

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

TaxGPT (S24) AI Co-Pilot for Accountants
Senior Software Engineer (Gen AI Focused)

fulltimeCA / Remote (CA)Full stack

TaxGPT (S24) AI Co-Pilot for Accountants
Senior Software Engineer (Gen AI Focused)

fulltimeSan Francisco, CA, USFull stack

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

fulltimeSeattle, WA, US / RemoteFull stack

Silurian (S24) Foundation models to simulate Earth, starting with weather.
Machine Learning Research Engineer / Scientist

fulltimeLondon, England, GB / Seattle, WA, US / Remote (GB; US)Machine learning

Hamming AI (S24) Automated AI voice agent testing
Product Engineer

fulltimeSan Francisco, CA, USFull stack

Hamming AI (S24) Automated AI voice agent testing
Backend Engineer

fulltimeSan Francisco, CA, USBackend

Reprompt (W24) AI Agents for Location
Founding Engineer

fulltimeSan Francisco, CA, USFull stack

Yarn (W24) Make sales and marketing videos with AI.
Founding Engineer at Yarn (W24)

fulltimeNew York, NY, USFull stack


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