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.
Create Profile ›
EngineeringDesignRecruitingScienceProductOperationsSalesMarketingLegalFinance
SnapMagic (S15) AI copilot for electronics design(13 days ago)
Lead Principal Engineer

fulltimeRedwood City, CA, USBackend

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

fulltimeDenver, Colorado, United StatesFull stack

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

fulltimeSan Francisco, California, United StatesFull stack

Wefunder (W13) We're Robinhood for pre-IPO startups. Everyone can invest $100.(about 1 month ago)
Full Stack, Senior Software Engineer

fulltimeSan Francisco, CA, USFull stack

Helpcare AI (F24) AI Workers for Healthcare Orgs to Find, Call & Schedule More Patients.
Senior Fullstack Engineer

fulltimeUS / CA / MX / BR / AR / BY / UY / PL / EC / CR / PA / CL / CO / RO / PE / BG / Remote (US; CA; MX; BR; AR; BY; UY; PL; EC; CR; PA; CL; CO; RO; PE; BG)Full stack

Sphinx (F24) AI Compliance Analysts for Banks & Fintechs(12 days ago)
Founding Engineer

fulltimeSan Francisco, CA, USBackend

SimCare AI (S24) Conversations with AI patients to scale healthcare training.(1 day ago)
Founding Engineer

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

SimCare AI (S24) Conversations with AI patients to scale healthcare training.
Ex-Founder

fulltimeSan Francisco, CA, USFull stack

Usul (S24) Win defense contracts with AI(6 days ago)
Founding Engineer

fulltimeSan Francisco, CA, USFull stack

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

fulltimeLos Angeles, CA, USFull stack

Conductor Quantum (S24) Quantum computers on silicon chips using AI.
Founding Engineer

fulltimeSan Francisco, CA, USMachine learning

Conductor Quantum (S24) Quantum computers on silicon chips using AI.(about 1 month ago)
Member of Technical Staff

fulltimeSan Francisco, CA, USMachine learning

Conveo (S24) Qualitative Research Conducted and Analyzed by AI(about 1 month ago)
Senior Full Stack Engineer (React + TypeScript)

fulltimeAntwerp, Flanders, BEFull stack

Kastle (S24) AI agents for mortgage servicing(about 19 hours ago)
Founding Backend Engineer at Kastle (S24)

fulltimeSan Francisco, CA, USFull stack

Kastle (S24) AI agents for mortgage servicing
Founding Applied AI Engineer at Kastle

fulltimeSan Francisco, CA, USBackend

Tivara (S24) The AI workforce for medical groups(about 12 hours ago)
Founding Product Engineer

fulltimeNew York, NY, USFull stack

Silurian (S24) Foundation models to simulate Earth, starting with weather.(1 day ago)
Machine Learning Research Engineer / Scientist

fulltimeLondon, England, GBMachine learning

Wordware (S24) IDE to develop, iterate and deploy AI Agents
forward deployed engineer or head of customer (coding skills necessary)

fulltimeSan FranciscoFull stack

Wordware (S24) IDE to develop, iterate and deploy AI Agents
DevRel engineer

fulltimeSan FranciscoFull stack

Corgi (S24) Corgi is building an AI insurance company
Golang Developer / Full-Stack Engineer

fulltimeSan Francisco, CA, USFull stack

Corgi (S24) Corgi is building an AI insurance company(6 days ago)
Senior Engineer

fulltimeSan Francisco, CA, USFull stack

Saphira AI (S24) Vanta for Hardware(about 9 hours ago)
Founding Full-Stack Engineer

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

Saphira AI (S24) Vanta for Hardware
Founding Applied AI Engineer

fulltimeSan Francisco, CA, US / Remote (US)Machine learning

Variant (F24) Building the state-of-the-art model for software design
Founding Frontend Engineer

fulltimeSan Francisco, CA, USFrontend

CommodityAI (W24) AI & Automation Software Powering Physical Commodity Trading(about 9 hours ago)
Founding Engineer

fulltimeSan Francisco, CA, USFull stack

Retell AI (W24) Supercharge Your Contact Center Operations with AI Phone Agents
Founding Senior Solution Engineer

fulltimeRedwood City, CA, USFull stack

Retell AI (W24) Supercharge Your Contact Center Operations with AI Phone Agents
Founding Senior Software Engineer (Full Stack)

fulltimeRedwood City, CA, USFull stack

Stacksync (W24) Real-time and two-way sync between CRMs and Databases
Full-stack engineer

fulltimeSan Francisco, CA, US / Lausanne, VD, CH / FR / Remote (FR; CH; IT; DE; US)Full stack


Sign up to see more ›