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Microsoft Teams is the hub for modern collaboration within the Microsoft 365 ecosystem, bringing together everything teams need to succeed in one place. As one of Microsoft’s most dynamic and impactful products, Teams is redefining the future of work and teamwork. Our Teams Immersive Experiences engineering group is at the forefront of this innovation; building next-generation meeting experiences that leverage cutting-edge AI and multi-modal interactions to make virtual meetings more intelligent, natural, and engaging.

We are seeking a **Principal Software Engineer** with deep full-stack expertise and proven technical leadership skills to help drive these innovations and deliver best-in-class meeting experiences to millions of users. In this role, you will contribute across the full stack: from the user-facing web UI of Teams meetings to the highly scalable cloud services that power real-time communication. You will work closely with a talented team of engineers to design, build, and integrate new capabilities into the Teams platform, ensuring they are robust, secure, and performant. This is a high-impact, high-ownership, hands-on position. You will lead by example in architecture and coding, guiding the team on engineering best practices, and driving critical technical decisions that shape our product’s future. The ideal candidate is passionate about innovation and quality, adept at solving complex problems at cloud scale, and equally excited to mentor others and foster a culture of excellence.

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

+ Collaborate and drive workstreams across teams to deliver cohesive, end-to-end solutions.

+ Lead design and architecture for complex features across the full stack: web UI and cloud services.

+ Guide engineering best practices to ensure security, code quality and performance.

+ Champion live-site reliability and drive improvements in product resiliency.

+ Mentor engineers and foster a culture of technical excellence and inclusion.

+ Independently drive cross-team technical initiatives that collaboratively deliver business outcomes under tight deadlines.

+ Embody the Microsoft culture and values

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.

+ Full-stack software development expertise, with direct experience in modern web UI development using JavaScript/TypeScript and frameworks such as React or equivalent.

+ Experience building large-scale cloud-based services with 99.99%+ reliability and robust security practices, including familiarity with industry-standard authentication protocols and authorization approaches.

+ 6+ years of technical leadership experience designing and implementing scalable architecture across frontend and backend systems, for projects involving 25+ engineers.

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

+ Experience collaboratively leading large cross-org initiatives or complex projects spanning multiple teams.

+ Experience integrating Artificial Intelligence and Machine Learning (AI/ML) or large language model (LLM) technologies into production systems and familiarity with relevant frameworks.

+ Experience in DevOps and Site Reliability, including CI/CD pipeline optimization, automated testing, telemetry, monitoring, and incident response for large-scale services.

+ Experience with implementing cloud-based communication and/or media platforms (e.g., Azure Communication Services).

+ Committed and continuous system improvement via automation and efficiency; experience optimizing engineering processes or leveraging automation.

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 29,2025**

\#MicrosoftAI

Microsoft is an equal opportunity employer. Consistent with applicable law, 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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations (https://careers.microsoft.com/v2/global/en/accessibility.html) .