JOB DETAILS

Principal Software Engineering Manager, M365 Copilot

CompanyMicrosoft
LocationRedmond
Work ModeOn Site
PostedJanuary 15, 2026
About The Company
Every company has a mission. What's ours? To empower every person and every organization to achieve more. We believe technology can and should be a force for good and that meaningful innovation contributes to a brighter world in the future and today. Our culture doesn’t just encourage curiosity; it embraces it. Each day we make progress together by showing up as our authentic selves. We show up with a learn-it-all mentality. We show up cheering on others, knowing their success doesn't diminish our own. We show up every day open to learning our own biases, changing our behavior, and inviting in differences. Because impact matters. Microsoft operates in 190 countries and is made up of approximately 228,000 passionate employees worldwide.
About the Role
Overview

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 (https://m365.cloud.microsoft). 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.

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.



Responsibilities
  • 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.


Qualifications

Required Qualifications:

  • 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.

Other Requirements:

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:

  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualifications:

  • 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.
#M365Copilot #Copilot #M365 #AI


Software Engineering M5 - The typical base pay range for this role across the U.S. is USD $139,900 - $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay


This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.




Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

Key Skills
CC++C#JavaJavaScriptPythonMicrosoft AzureWeb ServicesAPI DesignDeployment PipelinesInfrastructureReliabilityScalabilityPerformanceSecurityEfficiency
Categories
TechnologySoftwareManagement & LeadershipEngineering
Job Information
📋Core Responsibilities
Lead the M365 Copilot App middle-tier service and collaborate with cross-functional teams to drive innovation. Design and implement the middle-tier, APIs, deployment pipelines, and infrastructure.
📋Job Type
full time
💰Salary Range
$139,900 - $274,800
📊Experience Level
5-10
💼Company Size
226470
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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