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Job Details
Posted date: Dec 05, 2025
There have been 2002 jobs posted with the title of Principal Software Engineer all time at Microsoft.There have been 2002 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
Work location type: 0 days / week in-office – remote
Role: Individual Contributor
Description
OverviewMicrosoft is a company where passionate innovators come to collaborate, envision what can be and take their careers to levels they cannot achieve anywhere else. This is a world of more possibilities, more innovation, more openness in a cloud-enabled world. The Business & Industry Copilots group is a rapidly growing organization that is responsible for the Microsoft Dynamics 365 suite of products, Power Apps, Power Automate, Dataverse, AI Builder, Microsoft Industry Solution and more. Microsoft is considered one of the leaders in Software as a Service in the world of business applications and this organization is at the heart of how business applications are designed and delivered.
We are looking for a Principal Software Engineer with proficiency in Node JS to join our team!
This is an exciting time to join our group and work on something highly strategic to Microsoft. The Microsoft Copilot Studio SDK team is the team responsible for the Microsoft 365 Agents SDK, part of the Agent Framework. You will be a part of a team of engineers who thrive on solving complex problems across several development languages while doing it with impeccable quality.
As a Principal Software Engineer in the Agents SDK team, you will play a pivotal role in the development of the Node JS Agent SDK. The Agent SDK is responsible for supporting the development of Microsoft, ISV/Partner, and end customer agents built on multiple AI technologies, including the Microsoft Agent Framework, OpenAI, Anthropic and many others.
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
Structures and supports the Agents SDK as an OpenSource project on GitHub.Provides subject matter expertise, leads efforts, and mentors others to identify and leverage a broad ecosystem of tools.Provides technical leadership for problem-solving and/or efficiently building software developer tools to support easier, faster, and more effective software engineering across products.Considers the identification and reuse of open source or internal code and applies it in a responsible manner where applicable.Holds subject matter expertise in tools inside and outside current areas of expertise.Shares best practices and teaches others about new tools and strategies.Establishes, influences, and ensures policies and procedures for developing extensible, reusable, maintainable, well-tested, secure, and performant code that adheres to design specifications, identifying and addressing coding issues, and conducting effective code reviews for a critically important and high-impact space such as those with deep technical domains connections or a broad set of products or services at critical junctures.Writes proof of concept code as needed and may develop code directly as needed.Ensures troubleshooting guidelines are effective by establishing communication channels and reviewing relevant data.Actively engages in troubleshooting difficult and complex issues.Guides others and provides technical leadership on leveraging least-access principles while identifying root causes of problems and effectively addressing them while retaining privacy and security.Ensures the code review process is appropriately incorporated to meet the strategic needs of the service or product and to better align talent needs.Actively reviews or signs off on code as needed.Drives bringing expertise to code reviews to help improve code quality, proactively coaching and providing feedback to develop and upskill other engineers' skills.Guides others and provides technical leadership on identifying and anticipating blockers or unknowns during the development process, escalating them, and communicating how they will impact timelines, and then driving the identification and implementation of strategies and/or opportunities to address them for a critically important and high-impact space. Works with 1st and 3rd parties via various communication channels to support, listen and discuss feedback.
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 PythonOR equivalent experience.3+ years of experience with TypeScript and NodeJS.3+ years of Cross Platform Development Experience.1+ years of experience with working within an open-source ecosystem.
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 PythonOR 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 PythonOR equivalent experience. 7+ years of experience in Software Development.Experience developing and shipping SDK’s.Experience working on online services.Experience with TypeScript, NodeJS, Docker, K8s. and NET Core.Understanding Python and NET Framework, full stack development experience.Excellent design and problem-solving skills, with a strong bias for architecting for performance, scalability, security, and reliability.
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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
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.
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