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Microsoft Corporation Logo Microsoft Corporation · IT - Software Development

Principal Software Engineering Manager, M365 Copilot

United States, Redmond 139900.00 - 274800.00 USD / Year · Job Posted January 31, 2026
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Job Description

The M365 Copilot App Platform team is the team that provides the platform APIs, infrastructure and backend web server for the Microsoft 365 Copilot app. All partner teams have built their AI-enabled experiences on our platform and depend on us for their success. We own everything from the application code itself to the platform APIs to the deployment pipelines and infrastructure including the backend web server and middle-tier service that supports the application on the web, Windows, and Mac. We are seeking a highly skilled and motivated Principal Engineering Manager to join our middle-tier service team within the M365 Copilot App Platform team. This team is responsible for providing the middle-tier service that the Microsoft 365 Copilot web, Windows, and Mac depend on. As a Principal Engineering Manage, you will play a crucial role in driving the evolution of the M365 Copilot App services and infrastructure. You will work in a fast-paced agile environment, collaborating with cross-functional teams to enable the M365 Copilot app and drive innovation. If you are passionate about AI and services and have a strong services background, this is an excellent opportunity to make a significant impact. In this role, you will work closely with partner teams to build new additional capabilities into our service. You will also work to help improve the application's performance and quality. The M365 Copilot App is the key component in Microsoft’s AI strategy.

Job Responsibility

  • Lead the M365 Copilot App middle-tier service working with other engineering managers and individual contributors
  • Lead the design and implementation of the middle-tier, APIs, deployment pipelines, and infrastructure
  • Collaborate with cross-functional teams to enable the M365 Copilot app and drive innovation
  • Work closely with partner teams to build new additional capabilities into our application and services
  • Design, produce and deliver software to improve reliability, scalability, performance, security, efficiency, etc.

Requirements

  • Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
  • 4+ years of technical leadership of web services using Microsoft Azure
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role
  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter

Nice to have

  • Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C#, JavaScript or Typescript OR Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, but not limited to, C#, JavaScript or Typescript OR equivalent experience
  • Solid web service skills using C#/ASP.Net, node.js, or equivalent
  • Experience leading and architecting enterprise services
  • Experience with client app development using Typescript
  • Motivated and self-driven
  • Strong cross-team communication and partnership skills
  • Creativity, insightfulness, and sensitivity for a dynamic approach to problem solving
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