Jobs and Careers
MI

Principal Software Engineer

Microsoft
United Statesfull_timeVerifiedPosted 20 Oct 2025
💰 $304,200/yr($139,900/yr$304,200/yr)

About the role

Microsoft Teams is core to Microsoft's vision for intelligent communications and productivity in the modern workplace. It's a hub for teamwork, giving teams instant access to everything they need right in Office 365. Microsoft Teams is the canvas that keeps all your content, tools, people, and conversations together in one place. It is one of the leading product at Microsoft and we’re on course to disrupt the team collaboration space.

 

In the Microsoft Teams Fundamentals team, you will also have the opportunity to work on generative artificial intelligence (AI), large language models (LLM), and world class AI stack that power the developer productivity with AI-driven infrastructure, at the forefront of AI innovation and research, leveraging the latest advances in deep learning, natural language processing, and conversational AI. Join the Teams Engineering Systems team as a Principal Software Engineer and help build the backbone that enables thousands of Teams developers to ship features to millions of users worldwide, architecting and building AI-driven solutions that make our developers thrive.

 

You’ll have the opportunity to work in cross-organizational programs, remove barriers, and enable thousands of Teams developers to build and release Teams features to millions with confidence and cutting-edge AI capabilities. You’ll drive architecture and operational excellence for large-scale systems, applying industry-leading practices and AI to push our platform forward. You’ll mentor senior engineers, level up teams, and formalize standards that scale across the organization. In this role, your leadership and architect skills will shape our product direction and priorities.

 

Our culture is inclusive and collaborative. We thrive on diverse perspectives, teamwork, and a relentless focus on customer success. The collaboration space is growing rapidly, offering exceptional opportunities to learn innovative technologies and accelerate your career. Join us to shape the future of intelligent collaboration across industries and geographies.

 

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

  • Design, develop and maintain components that power the Teams Fundamentals and Engineering Systems infrastructure for Microsoft Teams.
  • Collaborate and influence designs, architectures, and best practices to support large-scale distributed systems and infrastructure in our Engineering Systems, analyzing complex, high-volume, high-dimensional Build, Gate and Release systems for scalability.
  • Leverage AI to accelerate and optimize experimentation workflows, Engineering Systems pipelines, and developer experiences, improving speed, quality, and reliability. Apply state-of-the-art techniques in deep learning, natural language processing, and conversational AI to build and improve the AI capabilities of our Engineering Systems infrastructure.
  • Collaborate with partners, internal and external to Microsoft Teams organization, in order to architect and design infrastructure that maximize our engineering productivity. Collaborate closely with peers and other teams across a variety of technical backgrounds to find innovative solutions in a fast-paced environment. Work closely with other AI teams across Microsoft to leverage and share best practices and resources.
  • Experiment, prototype, and evaluate new ideas and approaches for AI-powered features.

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+ year experience in system design and architecture for large scale, distributed, highly available infrastructure.
  • Experience solving challenging problems and cross team/organization collaboration skills.
  • Knowledge/experience in applying AI and machine learning for acceleration and optimization of engineering workflows, release pipelines, guardrails, and data informed decision making.
Other Requirements:Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These req

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

Microsoft

View company profile →