Product Engineer, New Products

The role

Product engineers will design, build, and ship full-stack systems and developer tools from zero to one. You will build AI-native software including agent orchestration, semantic search, and LLM workflows.

What you will do

• Take new products from 0→1
• Design, build, and ship full-stack systems and developer tools end-to-end
• Build AI-native software including agent orchestration, semantic search, embeddings, knowledge graphs, and LLM workflows
• Own developer and user experience completely
• Ship work in the open and engage a real community or ship work as commercial product
• Use a fully AI-enabled dev stack and make pragmatic tradeoffs

Required 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

Nice to have

• LLMs, prompt engineering, or agent-based systems
• Open-source maintainership and community engagement
• TypeScript, Postgres/pgvector, Rails, React
• Retrieval, search, or knowledge-graph systems

Benefits

• Medical
• dental
• vision
• 401(k) + 4% match
• parental leave
• flexible PTO
• full access to the YC program

Before you apply

• Y Combinator is willing to sponsor certain employment visas in accordance with company policy

About the company

Y Combinator is building a new generation of products for the AI-native era. They operate with a small, high-trust team of ~100 people.