**Overview**

Within GitHub and Microsoft CoreAI, the Copilot CLI team builds GitHub’s coding agent in the terminal, and the core agent loop that powers agentic experiences across GitHub and Microsoft. Our work spans the full software development lifecycle, with a focus on turning modern AI systems into reliable, production-grade developer tools.

We are looking for a Senior Software Engineer to help build a world-class coding agent CLI. This role is for engineers who care deeply about product quality, end-to-end ownership, and the details that separate promising tools from ones developers trust and adopt daily.

Our work sits at the intersection of agentic AI systems and high-performance developer tooling. We are particularly interested in candidates with strength in one or more of the following areas:

+ Building, evaluating, and iterating on agentic systems, including tool design, agent loops, benchmarking, and quality optimization

+ Building...