Senior Software Engineer

Microsoft

Microsoft

Software Engineering
United States · California, USA · Washington, USA · Redmond, WA, USA · Sunnyvale, CA, USA · New York, NY, USA
USD 119,800-234,700 / year
Posted on Dec 18, 2025
Overview

Imagine shaping the future of productivity for hundreds of millions of users. The Outlook Copilot Service team is building intelligent, AI-powered experiences across Outlook. You’ll join a fast-moving, high-impact team that thrives on innovation, experimentation, and delivering delightful user experiences.

As a Software Engineer II on the Outlook Copilot Service team, you will design and build scalable, reliable, and secure backend services that power AI-driven features in Outlook. You’ll take ownership of service design and delivery, ensuring high availability, performance, monitoring, and troubleshooting in one of Microsoft’s most visible services.

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 and deliver scalable, secure, and high-performance backend services powering Outlook Copilot scenarios.
  • Drive end-to-end service design by defining technical strategy, ensuring reliability, scalability, and performance at global scale.
  • Champion operational excellence by guaranteeing availability, resiliency, efficiency, observability, and performance of critical services.
  • Lead automation and telemetry initiatives to uncover patterns, optimize systems, and enable continuous improvement.
  • Own incident management: resolve complex service issues, minimize customer impact, and establish preventive measures through robust documentation and root-cause analysis.
  • Influence cross-functional teams, partner with PMs, applied scientists, and UX designers to deliver intelligent, user-facing experiences.
  • Mentor and guide engineers, fostering best practices in design, coding standards, and system reliability.


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.

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, C++, C#, Java, JavaScript, or Python
    • 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, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.
  • 8+ years experience in designing, implementing, and scaling large-scale, distributed online systems with a deep understanding of system architecture and proven ability to profile, analyze, and optimize performance and availability of services, along with support and operations tasks.
  • 3+ years experience with applications leveraging LLMs / GenAI.
  • Knowledge of Data Science / Applied Science principles and ability to collaborate effectively with applied scientists on model integration, experimentation, and data-driven decision-making.


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.