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Microsoft Corporation Logo Microsoft Corporation · IT - Software Development

Principal Applied Scientist

United States, Redmond 139900.00 - 274800.00 USD / Year · Job Posted March 19, 2026
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Job Description

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.

Job Responsibility

  • 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

Requirements

  • 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
  • OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience
  • OR equivalent experience
  • Ability to meet Microsoft, customer and/or government security screening requirements
  • Microsoft Cloud Background Check

Nice to have

  • Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 9+ years related experience
  • OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience
  • OR equivalent experience
  • 5+ years experience creating publications (e.g., patents, libraries, peer-reviewed academic papers)
  • 2+ years experience presenting at conferences or other events in the outside research/industry community as an invited speaker
  • 5+ years experience conducting research as part of a research program (in academic or industry settings)
  • 3+ years experience developing and deploying live production systems, as part of a product team
  • 3+ years experience developing and deploying products or systems at multiple points in the product cycle from ideation to shipping
  • 5+ years of experience in applied machine learning or AI, preferably in voice or communication technologies
  • Strong proficiency in Python, deep learning frameworks (e.g., PyTorch, TensorFlow), and cloud platforms (e.g., Azure)
  • Experience with foundation models, prompt engineering, and generative AI
  • Proven track record of delivering production-grade ML solutions
  • Experience in real-time voice processing, speech recognition, or NLP
  • Familiarity with enterprise communication systems and security requirements
  • Solid collaboration and communication skills across discipline
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