YC Work at a Startup - On-site work

Join as a Founding GPU Compiler Engineer in San Francisco. Build the core AI compiler stack from StableHLO to optimized GPU binaries for NVIDIA, AMD, and TPUs. Deep LLVM/MLIR expertise and low-level GPU optimization in C++/Rust are key. Shape the architecture and culture from day one with equity ...

Join as a Founding Backend & Infrastructure Engineer in San Francisco. Architect and scale core systems for AI-powered document intelligence using Python and cloud tech. Own production infrastructure end-to-end, from Kubernetes to distributed systems. Receive significant equity and visa sponsorsh...

Join Leadbay in San Francisco or Paris as an Engineering Intern. Help build next-gen sales tech by developing smarter crawlers and training AI models. Ideal candidates are self-starters skilled in Java, Kotlin, Python, or TypeScript. This is a hands-on role for those eager to tackle hard challeng...

Join as a Founding ML Systems Engineer in San Francisco's Dogpatch. You will build and optimize production ML systems to enhance game affordability and fun. This role requires deep experience in deploying, debugging, and cost-optimizing live AI models. Receive significant equity and work directly...

Join Pax Historia, a fast-growing YC-backed alternate-history game, as a Founding Full Stack Engineer. You'll build and ship features to hundreds of thousands of players using NextJS, TypeScript, and modern tools like Firestore & Supabase. This San Francisco role offers significant equity (0.25%-...