Senior Software Engineer

Microsoft 365 is the fastest growing cloud services business in Microsoft. M365 brings together cloud versions of our most trusted communications and collaboration products like Exchange, SharePoint, OneDrive and Skype with the desktop suite of Office products in an always up-to-date integrated service offering. CapSense is the capacity planning and decisioning platform under the Microsoft 365 Core organization. We are building the foundation to ensure M365 has the right infrastructure, in the right place, at the right time to power Microsoft 365 and Substrate experience—from Exchange and Teams to Copilot and future AI driven workloads. We build large scale systems that transform complex demand, supply, lifecycle, and operational signals into actionable plans and automated decisions that directly influence multi-billion-dollar infrastructure investments. Our mission is to build the reliable, intelligent, and scalable capacity planning and allocation platforms that improve predictability, utilization, and cost efficiency across the fleet. We are looking for a Senior Software Engineer to lead the critical software solutions, with a strong focus on automation, data driven decisioning, and AI assisted planning. This role combines deep engineering fundamentals with architectural ownership, technical leadership, and a forward-looking mindset toward applying AI responsibly at hyperscale.