Y Combinator Startup Jobs
Builder-role jobs at Y Combinator-backed startups. Founding engineers, product engineers, AI engineers, and full-stack roles where one person owns the product end-to-end. Filtered from the broader YC jobs market by an LLM classifier; only roles with genuine 0-to-1 ownership make it through. Not affiliated with Y Combinator.
4 active median salary $300k
| 1. | Senior Founding Engineer (Ambral) New York City, New York, United States | $185,000 – $245,000/yr | on-site | full-time | senior | typescript, nuxt, postgres | 1mo ago |
| 2. | AI Agent Engineer (CollectWise) New York, New York, United States | $200,000 – $300,000/yr | on-site | full-time | mid | node.js, aws, sql | 2mo ago |
| 3. | Product Engineer (Y Combinator) San Francisco, California, United States | $185,000 – $485,000/yr | on-site | full-time | rails, react, full-stack | 1mo ago |
| 4. | Applied AI Engineer (Artisan) San Francisco, United States+2 | on-site | full-time | mid | ai, llm, prompt engineering | 1mo ago |
Y Combinator builder roles · FAQs
- Are these official Y Combinator job listings?
- No. Jobs Base is not affiliated with Y Combinator. We aggregate publicly-posted listings from YC-backed companies and the YC jobs board, then filter to builder roles where one engineer owns end-to-end ownership of a product surface. The official YC jobs board is at workatastartup.com.
- What kinds of YC jobs make it onto Jobs Base?
- Jobs Base only lists builder roles: founding engineer, product engineer, AI engineer, full-stack engineer, and similar 0-to-1 positions where one person owns the product end-to-end. Standard ticket-driven engineering roles at YC companies are filtered out by the LLM classifier. Only ~9% of scraped listings match. From YC-source listings specifically, the builder-role hit rate is closer to 33%.
- How much do YC startup builder roles pay?
- YC builder roles split into two compensation profiles. Pre-seed and seed-stage YC companies typically offer $130k–$180k base + 0.5%–2% equity, often weighted toward equity when cash is tight. Series A and later YC companies typically run $180k–$240k base + 0.25%–1% equity. Salary is disclosed on most listings on Jobs Base.
- Which YC batches are most active in hiring right now?
- The YC jobs board prioritizes recent batches. Typically the most recent 2-3 batches account for the majority of postings. Historical batches still actively hire, especially companies that have raised follow-on rounds.
- Are YC jobs remote?
- Across the current 4 YC-tagged listings on Jobs Base, 0 (0%) are fully remote. The rest are on-site or hybrid, mostly in San Francisco. Pre-seed YC companies skew heavily on-site (typically 5 days in SF); later stages have more remote flexibility.
- How do I apply to a YC builder role?
- Click into any listing on Jobs Base and follow the apply link, which goes directly to the company's application page. No signup required on Jobs Base. For agent-driven applications, the same data is available via free API and MCP at jobsbase.io/api-docs.