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Job Details
Posted date: Oct 25, 2025
There have been 1947 jobs posted with the title of Principal Software Engineer all time at Microsoft.There have been 1947 Principal Software Engineer jobs posted in the last month.
Category: Software Engineering
Location: Multiple Locations, Multiple Locations
Estimated salary: $222,050
Range: $139,900 - $304,200
Employment type: Full-Time
Travel amount: 25.0%
Work location type: 3 days / week in-office
Role: Individual Contributor
Description
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 Principal 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. 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.Strategic Influence: Contribute to long-term technical vision and roadmap planning. Influence organizational structure and investment decisions to accelerate innovation.
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.5+ years of experience owning and delivering large-scale projects involving multiple engineers.2+ years working in AI or LLM based systems. 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 8+ 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 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.Proven analytical mindset with a data-driven approach to problem-solving, consistently upholding high standards of quality and engineering rigor.Proven track record of independently owning and delivering technically challenging projects with measurable impact.Fast learner with a demonstrated ability to quickly master new technologies, tools, and domains.Self-motivated and outcomes-focused, with a strong sense of ownership and accountability.Software Engineering IC5 - 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
Microsoft will accept applications for the role until October 30, 2025.
Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form.
Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.
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