Join Microsoft's Excel team as a Principal Software Engineer to lead the architecture and design of PivotTables, one of Excel's signature capabilities. This role involves evolving the PivotTable experience across desktop and web apps, modernizing the C++ codebase, and enabling Excel Copilot integration. You'll be responsible for shipping functionality on Windows, Mac, web, and mobile platforms. As a Principal Engineer, you'll develop team capabilities, contribute to Excel-wide priorities, and foster an inclusive environment. The position offers the opportunity to impact hundreds of millions of daily users worldwide while working with Microsoft's Business Intelligence organization. This role combines technical leadership with mentorship, requiring expertise in large-scale software development and a commitment to Microsoft's mission of empowering every person and organization to achieve more.