New 
Principal Software Engineer
 Microsoft | |
 United States, Washington, Redmond | |
 Oct 14, 2025 | |
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OverviewThe 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+ PCs, and we continue to push the boundaries of what agents can do on Windows 11. Role Summary: As a Principal Software Engineer on the Windows Agentic Shell & App Experiences team, you will lead the design and development of high-impact agent experiences. You will architect and implement reliable, production-grade software using C++ and C#, leveraging the Windows SDK and .NET 9. Your work will directly influence the next generation of intelligent agents, driving innovation across Windows and Copilot ecosystems. Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
ResponsibilitiesLead the technical design and architecture of agent-based features and systems.Drive end-to-end development of complex components using C++ and C#.Collaborate with cross-functional teams including PM, design, and data science to define and deliver product vision.Mentor and guide junior engineers, fostering a culture of technical excellence and continuous learning.Ensure code quality, performance, and reliability through rigorous testing and code reviews.Integrate cloud and local AI models with cloud-based orchestrators to enable intelligent, context-aware agent behaviors.Contribute to strategic planning and roadmap development for agent experiences.Stay current with emerging technologies and industry trends to inform product direction. | |