Join Microsoft's Excel team as a Principal Software Engineer to lead the architecture and design of PivotTables, one of Excel's signature capabilities. You'll be responsible for evolving the PivotTable experience across desktop and web apps, modernizing the C++ codebase, and enabling Excel Copilot integration. The role involves shipping functionality on all Excel platforms including Windows, Mac, web and mobile. As a Principal Engineer, you'll develop team capabilities, contribute to Excel-wide priorities, and foster an inclusive culture. Microsoft's mission is to empower every person and organization globally, with a focus on growth mindset, innovation, and collaboration. The position offers hybrid work arrangements with up to 50% work from home and requires 0-25% travel.