JOB DETAILS

Senior Software Engineer

CompanyMicrosoft
LocationUnited States
Work ModeOn Site
PostedDecember 13, 2025
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
Shape the Future of AI experiences in Microsoft!


At Microsoft, we’re redefining how people work, create, and connect through the power of AI. Our Copilots and Agents are transforming productivity for millions worldwide—and we’re looking for engineers who want to be part of this revolution.

The Copilot Platform is the foundation behind the delightful experiences in M365 Copilot—whether it’s Chat, Search, or Agents.

If you’re a Senior Software Engineer passionate about cutting-edge technology, thrive on tackling hard problems, and want your work to empower people everywhere, join us. Together, we’ll create AI experiences that feel magical, intuitive, and indispensable.

You’ll design and build the for the Copilot Platform, focusing on LLM APIs (large language model application program interfaces) and orchestration runtimes that power AI experiences at global scale. This role involves deep backend engineering—optimizing distributed systems, ensuring low-latency performance, and enabling secure integrations. You’ll collaborate with science and engineering teams to deliver new capabilities, empower partners to build Copilots and Agents, and create seamless multimodal experiences across desktop and mobile for text, image, audio, and beyond.

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
  • Architect, build, and optimize workflows to power various Microsoft M365 Copilot experiences and other next-generation Agent scenarios.
  • Partners with Science, PM and Design counterparts to understand product requirements and latest trends in industry to drive architectural changes as required to improve scale, reliability and agility of the Product.
  • Drive identification of dependencies and the development of design documents for the platform.
  • Act as a Designated Responsible Individual (DRI) and guide other engineers by developing and following the playbook, and uphold high operational excellence.
  • Proactively seek new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of the platform while also driving consistency in monitoring and operations at scale.
  • Define success metrics and enhance success metrics based on platform / product evolution.
  • Embody Microsoft’s Culture and Values and help shape the direction of the engineering team and broader organization.


Qualifications
Required Qualifications:
  • Bachelor's Degree in Computer Science or related technical field AND 4+ 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 experience in distributed service architectures, with practical experience in API Design and managing applications on major cloud platforms.

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:

  • Master's Degree in Computer Science or related technical field AND 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR Bachelor's Degree in Computer Science or related technical field AND 7+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.
  • Experience with platforms that leverage language models.
  • Experience with agile development methodologies and a passion for continuous improvement.
  • Experience leading the design of software solutions in a fast-paced, dynamic environment
  • Experience building debuggability into complex software systems 


Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $158,400 - $258,000 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
Software EngineeringDistributed SystemsAPI DesignCloud PlatformsCC++C#JavaJavaScriptPythonAgile DevelopmentDebuggingArchitecturePerformance OptimizationObservabilitySecurity
Categories
TechnologySoftwareEngineering
Job Information
📋Core Responsibilities
The role involves architecting, building, and optimizing workflows for Microsoft M365 Copilot experiences. It also includes collaborating with various teams to drive architectural changes and improve the platform's scale and reliability.
📋Job Type
full time
💰Salary Range
$119,800 - $234,700
📊Experience Level
5-10
💼Company Size
226092
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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