Senior Software Engineer

Microsoft

Microsoft

Software Engineering
United States
USD 119,800-234,700 / year
Posted on Dec 27, 2025
Overview

Be at the forefront of AI evaluation by joining the Copilot Offline Evaluation Platform team and help us deliver the platform that makes Copilot innovation fast, reliable, and regression-free.

As a Senior Software Engineer, you will transform how Copilot features are developed and evaluated. Your team will deliver end-to-end experimentation, evaluation, and validations to Copilot engineers, PMs, and data scientists. You’ll work on the platform that orchestrates the offline evaluation lifecycle, including realistic data generation, data hydration and injection. Empowering Copilot teams to prototype safely and measure quality with scientific rigor. This opportunity will allow you to dive deep on Copilot technologies, build critical skills in the AI-era, and rapidly grow your career.

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 platform development and scaling to customer requirements and apply best practices for meeting scaling needs and performance expectations and holds accountability for products that do not meet expectations.
  • Technical Leadership: Architect and deliver a platform that is secure, scalable, and resilient. Lead technical strategy and execution across multiple teams and services.
  • AI-Driven Transformation: Champion the integration of AI to streamline development workflows, reinforce simplicity in design, improve test automation, and enhance system redundancy and scalability.
  • Cross-Team Collaboration: Partner with PMs, architects, and other engineering leaders to define and deliver end-to-end solutions. Drive alignment across horizontal and vertical teams.
  • Act as an expert and DRI (Designated Responsible Individual), be on call to mitigate system/product/service degradation to avoid downtime or interruptions.
  • Mentorship and Culture: Model engineering excellence and inclusive practices. Mentor senior engineers and contribute to a culture of continuous learning and innovation.
  • Customer Impact: Define and track success metrics that reflect customer value. Ensure services meet or exceed SLAs and deliver tangible improvements to customer experience.


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.
Preferred Qualifications:
  • 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 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 equivalent experience.
  • 5+ years of experience owning and delivering large-scale projects involving multiple engineers.

    2+ years working in AI or LLM based systems.

    Leads discussions for and owns the architecture of a products/solutions and creates proposals for architecture by testing design hypotheses and develop complex design specification.



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.