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Software Engineer II

Microsoft

Microsoft

Software Engineering
USD 100,600-199k / year
Posted on Oct 23, 2025

Software Engineer II

Redmond, Washington, United States

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Date posted
Oct 22, 2025
Job number
1896530
Work site
3 days / week in-office
Travel
0-25 %
Role type
Individual Contributor
Profession
Software Engineering
Discipline
Software Engineering
Employment type
Full-Time

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 Software Engineer II to join our middle-tier service team within the M365 Copilot App Platform team. This team is responsible for providing the middle-tier service for Microsoft 365 Copilot web, Windows, and Mac apps which all build AI-enabled experiences within the application depend on. As a Software Engineer 2, you will play a crucial role in developing and maintaining the middle-tier service code, deployment pipelines, 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 technical 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 platform. You will also work to help improve the application's performance and quality. The M365 Copilot App is a key component in our strategy to compete with ChatGPT, making this position critical to our success.

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.

Qualifications

Required Qualifications:
  • Bachelor's Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.
  • 2+ years of software engineering working on web services using technologies, including but not limited to, C#/ASP.Net, node.js
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
    o OR related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C#, JavaScript or Typescript
    • OR equivalent experience.
  • Experience with client application development using Typescript.
  • A technology-driven professional dedicated to innovating new capabilities and improving performance with a customer-focused approach.
  • Effective cross-team communication and partnership skills, along with creativity, insightfulness, and sensitivity, are essential for a dynamic approach to problem solving.

Software Engineering IC3 - The typical base pay range for this role across the U.S. is USD $100,600 - $199,000 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 $131,400 - $215,400 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

Microsoft will accept applications for the role until October 28th, 2025

#m365copilot #copilot #m365 #ai

Responsibilities

  • Implement new middle-tier features working with architects and other individual contributors.
  • Develop and maintain 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.
  • Design, produce and deliver software to improve reliability, scalability, performance, security, efficiency, etc.
  • Opportunity for full-stack development work that spans our client app and middle-tier services.

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.
Industry leading healthcare
Educational resources
Discounts on products and services
Savings and investments
Maternity and paternity leave
Generous time away
Giving programs
Opportunities to network and connect

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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.