Principal Software Engineer

Microsoft Silicon and Cloud Hardware Infrastructure Engineering (SCHIE) is the team behind Microsoft's expanding Cloud Infrastructure and responsible for powering Microsoft's "Intelligent Cloud" mission. SCHIE delivers the core infrastructure and foundational technologies for Microsoft's over 200 online businesses including Bing, MSN, Office 365, Xbox Live,...

Are you a Principal Software Engineer who loves to work on large-scale projects at one of the most exciting and diverse divisions within Microsoft? Are you looking for big, creative challenges that show immediate results since your customers will be just down the hall? Do you want to be at the core of it all, acting as a force multiplier enabling groups of...

Microsoft is a company where innovators come to collaborate, envision what can be and take their careers to levels they cannot achieve anywhere else. This is a world of more possibilities, more innovation, more openness in a cloud-enabled world.  The Business & Industry Copilots group is a rapidly growing organization that is responsible for Copilot...

Microsoft is a company where passionate innovators come to collaborate, envision what can be and take their careers to levels they cannot achieve anywhere else. This is a world of more possibilities, more innovation, more openness in a cloud-enabled world.  The Business & Industry Copilots group is a rapidly growing organization that is responsible...

The Windows Experiences team is pioneering the future of intelligent agents on Windows. We are responsible for delivering cutting-edge, cloud and local-model powered experiences that seamlessly integrate with cloud orchestrators such as Microsoft's Consumer and Enterprise Copilots. Our recent success includes shipping the Windows Settings Agent for Copilot+...

At Microsoft Digital, we build and manage the critical products and services that power Microsoft's internal operations. Our Employee Productivity Engineering (EPE) team is transforming the workplace experience for thousands of employees globally. We're creating a connected, accessible, and sustainable digital workplace that seamlessly blends physical and...

We are the team that defines how users interact with Copilot in Microsoft 365. Our charter is to build foundational UX systems that make Copilot feel intelligent, responsive, and deeply integrated into the flow of work. We own the core interaction surfaces and frameworks that power Copilot's presence across endpoints -- Teams, Outlook, , and Office apps....

Principal Software Engineer - Platform ArchitectRedmond, Washington, United StatesDate postedOct 17, 2025Job number1898004Work site3 days / week in-officeTravel25-50%Role typeIndividual ContributorProfessionSoftware EngineeringDisciplineSoftware EngineeringEmployment typeFull-TimeOverviewMicrosoft Teams is a unified communication and collaboration platform...

Microsoft Azure High Performance Computing & AI Engineering (HPC & AI Eng) team is responsible for managing the core platform & fleet of AI High Performance Computing products that customers use to run their most performant and demanding workloads. The AI Customer Experience (AICE) engineering team within the HPC & AI Eng. team is on the frontlines managing...

Microsoft is at the forefront of a new era in productivity, and Microsoft 365 Copilot is redefining how we build and deliver AI experiences. We are a small, focused team within MSAI Office of the CTO (OCTO) committed to driving Copilot Agility — accelerating how we innovate, build, and scale the Copilot platform across Microsoft. We are looking for a...