Principal Software Engineer (Substrate Store)
Summary
Principal engineer leading the modernization of Microsoft’s Substrate Store access APIs, optimizing latency-critical storage operations for Microsoft 365 services like Copilot, Outlook, and Teams.
Overview We are the Store team within Microsoft's Substrate Storage Fabric - the core platform that powers Microsoft 365 experiences, from AI-powered Copilot innovations to Outlook and Teams. Our team focuses on API optimization, search running on Azure, and the security posture of the storage access path. We are looking for a Principal Software Engineer (Substrate Store) to lead the modernization of Store Access. If you're passionate about building latency-critical access APIs and high-through…