YC Work at a Startup - On-site work

Lead the development of scalable, agentic systems for cutting-edge AI training environments at Idler. As a Staff Software Engineer in San Francisco, you'll architect core technology primitives and mentor a growing team. This role requires 8+ years of experience, deep full-stack ownership, and col...

Join Icarus in Los Angeles to build flight-critical embedded software for revolutionary solar-powered stratospheric aircraft. We seek a Senior Embedded Software Engineer with 2+ years in aerospace/robotics, strong C/C++, RTOS, and hardware debugging skills. Own full-cycle development, from archit...

Join as a Founding Engineer in San Francisco to build the EffiGov platform from the ground up. You'll ship full-stack and AI features using Python, FastAPI, and Next.js, with a focus on deploying scalable LLM solutions. This role requires 3-5 years of high-velocity engineering experience and prov...

Join Keystone as a Founding Engineer in San Francisco. Shape the future of autonomous software engineering using TypeScript, React, Python, and AWS. Own the core product and culture while receiving significant equity, full benefits, and a wellness-focused environment.

Join as a Founding Engineer to build autonomous AI agents for e-commerce support. You'll own full-stack features using Next.js, Python, and AWS, working in rapid build-measure loops. This New York-based role offers significant equity to a developer who ships quality code and leverages AI tools da...

Join Parametric in San Francisco as a Senior ML Infrastructure Engineer. Build the core systems powering our robotics autonomy stack from the ground up. You'll design production-grade infrastructure for the full ML lifecycle, enabling rapid iteration. This early-stage role requires expertise in c...

Join our team in San Francisco as a Software Engineer for the Data Engine. You will build robust systems and tools to collect, process, and manage large-scale robotic training datasets. This role requires expertise in Rust/C++ and involves hands-on work across hardware, software, and data pipelin...

Join Channel3 in NYC to build the database powering AI commerce. Develop backend systems using computer vision and multimodal models to understand billions of products. This role focuses on building reliable, cost-efficient search and deduplication at scale. Enjoy team dinners and a fully stocked...