Staff Software Engineer, AI Foundations

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Software Engineer, AI Foundations based in United States. This is a high-impact engineering role focused on advancing the foundations of AI-powered application development. You’ll design and build reliable systems for agentic coding, AI SDKs, and integrations across a growing ecosystem of frameworks and libraries. The role combines deep software engineering fundamentals with hands-on exploration of emerging AI development patterns. You’ll work in an action-oriented, open-source environment where technical quality, reliability, and developer experience are core priorities. You’ll have end-to-end ownership of features while collaborating closely with engineers, field teams, customers, and the developer community. Your work will help developers build and operate more reliable AI applications while accelerating adoption across the broader ecosystem. This is an opportunity to work at the forefront of agentic development while applying rigorous computer science and systems principles.