Principal Software Engineer - Teams Platform

Are you interested in joining one of the most innovative and impactful product groups at Microsoft? Interested in how Microsoft Teams is revolutionizing workplace collaboration? Look no further. You will be working on cutting-edge solutions that support the next evolution in collaboration and productivity through Microsoft Teams.

The Microsoft Teams Developer Platform provides exciting opportunities to build resilient, highly scalable web apps and services that support artificial intelligence (AI) first scenarios for an ever-growing user and developer base. This Principal Software Engineer role with Teams Platform offers an unparalleled opportunity to advance your skills in systems design, large-scale web app and service architecture, public API development, and modern technologies like React, GraphQL, and large language models (LLMs).

As a member of our team, you will:

• Tackle complex problems and develop innovative solutions.
• Collaborate with a diverse, cross-functional team of engineers and product managers, while also engaging directly with external developers to ensure their feedback shapes the evolution of our services.
• Contribute to one of the fastest-growing products in Microsoft's history.
• You'll be working on the forefront of the latest advancements in AI, shaping the future of Copilot-powered automations and leveraging the most advanced AI tools in the industry.

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:

• Collaborates with multiple stakeholders across the company to determine user requirements, align dependencies, and build compelling user scenarios.
• Implements new features with high quality designs, execution, and robust deployment plans.
• Provides technical leadership for strategic initiatives and guiding the broader team.
• Leads by example and mentors others to produce extensible and maintainable code used across products.
• Holds accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions, working on-call to monitor system/product/service for degradation, downtime, or interruptions.
• Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers.

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.
• 4+ years of experiencearchitecting and building large-scale web applications.
• Experience with modern web technologies like React, TypeScript, GraphQL, etc.
• Experience with web applications work for example: authentication, cookies, offline storage.

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:

• Experience building with LLMs, agent frameworks, or multi-agent orchestration platforms.
• Experience developing test plans, cases, conditions, and scenarios in support of application validation and platform infrastructure.
• Experience in driving improvements in performance, availability, and supportability.
• Proven customer obsession and experience in handling on-call duties for large-scale web apps and services.
• Proven analytical, problem-solving, debugging and technical communication skills.
• Passion for designing clean, powerful, and easy-to-use APIs.
• Ability to navigate ambiguity and excel in a fast-paced, dynamic environment.

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: ;br>
Microsoft will accept applications for the role until October 23,2025

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.