Product Engineer, New Products
Hybrid (San Francisco Bay Area)$185k - $485kFull-timePosted 4mo ago
About the role
Product engineer role at Y Combinator focusing on building AI-native, end-to-end products and developer tools from zero to one, with ownership of full stack and user experience.
Responsibilities
- Take new products from 0→1 — design, build, and ship full-stack systems and developer tools end-to-end
- Build AI-native software: agent orchestration, semantic search, embeddings, knowledge graphs, LLM workflows
- Own developer and user experience completely — 30-second installs, time-to-first-value measured in minutes, interfaces people actually want to use
- Ship some work in the open and engage a real community; ship other work as commercial product. Pick the right call for each
- Use your own fully AI-enabled dev stack and make pragmatic tradeoffs in a fast-moving environment
Qualifications
- Experience shipping full-stack or systems software end-to-end
- Strong system design and independent decision-making
- Strong product sense and comfort designing user experiences
- Clear communication and the ability to work directly with non-technical stakeholders
- High judgment and integrity
Skills
Required:Full-stack or systems softwareSystem designProduct senseCommunication
Benefits
- Medical, dental, vision, 401(k) + 4% match, parental leave, flexible PTO, and more
Last updated Oct 21, 2026. Interested? Apply on the company site.

About Y Combinator
Not your average fixed point combinator.
Make something people want.
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