
Y Combinator
Y Combinator is a startup accelerator and seed investor that funds and advises early-stage companies in exchange for equity, running biannual batches and Demo Days. Founded in 2005 and based in Mountain View, California, it has backed firms such as Airbnb, Stripe, and Dropbox. YC also builds developer-facing products for the AI-native era, including open-source tools like gstack and gbrain and proprietary offerings such as Paxel.
Open Positions at Y Combinator
6 open positions
Build new AI-native products from zero to one as an end-to-end product engineer at Y Combinator. You’ll own the full product and user experience, from backend systems and developer tools to fast, polished launches.
Build full-stack products that power YC’s admissions, events, and internal operations while owning the experience from workflow discovery through shipping. This product-minded role combines engineering, UX decisions, process automation, and AI-enabled tools.
Build and own full-stack products at Y Combinator while applying engineering judgment to company evaluation, investing, and founder support. This hybrid role combines hands-on production software development with diligence, analysis, and investment decision support.
Build high-impact internal products that help Y Combinator’s partners, finance teams, and legal teams operate at scale. You’ll own features end to end, shape the roadmap, and work closely with users in an in-person San Francisco team.
Build polished, user-centered product experiences at Y Combinator by combining strong visual and UX design with hands-on frontend engineering. You’ll own features end-to-end, from prototypes and high-fidelity mocks through production code and user feedback.
Build high-impact full-stack products that help YC founders navigate the batch, connect with advisors and investors, and launch their companies. This in-person San Francisco role joins a small product engineering team using Rails, React, and Postgres.