Principal Applied Scientist

Microsoft Teams is the hub for teamwork that brings together people, content, and tools to drive productivity and engagement. As part of Microsoft’s modern work, life, and education vision, Teams is transforming how people communicate and collaborate globally.

We are seeking a Principal Applied Scientist to join the Enterprise Voice Calling team within the Teams Calling, Meeting & Devices group. This role is ideal for someone passionate about building intelligent, scalable, and secure voice communication experiences powered by cutting-edge AI.

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.

• Collaborate with cross-functional teams including product managers, engineers, and researchers to design and deliver next-generation voice calling experiences.
• Apply and fine-tune large foundation models to enhance real-time voice communication, transcription, and summarization.
• Lead prompt engineering efforts to optimize generative AI capabilities for enterprise-grade calling scenarios.
• Drive innovation for Microsoft Copilot and other AI-powered features within Teams Calling.
• Analyze user behavior and system performance to identify opportunities for improvement and personalization.
• Contribute to the development of scalable machine learning pipelines and experimentation frameworks.
• Mentor junior scientists and engineers, fostering a culture of technical excellence and growth.

• Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research)
  • OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience (e.g., statistics, predictive analytics, research)
  • OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience (e.g., statistics, predictive analytics, research)
  • OR equivalent experience.

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: