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Microsoft Corporation Logo Microsoft Corporation · IT - Software Development

Principal Applied AI Scientist

United States, Redmond 139900.00 - 274800.00 USD / Year · Job Posted January 31, 2026
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Job Description

As a Principal Applied AI Scientist for The Customer Service Applications Team, you will play a pivotal role in advancing Microsoft's mission to empower every individual and organization on the planet to achieve more. You will contribute to the development and integration of cutting-edge AI technologies into Microsoft products and services, ensuring they are inclusive, ethical, and impactful. You will collaborate across product, research and engineering teams to bring innovative solutions to life, applying your expertise in machine learning, data science, and AI to solve complex problems. Your work will directly influence product direction and customer experiences.

Job Responsibility

  • Build collaborative relationships with product and business teams to deliver impactful AI solutions
  • Research, implement, and fine-tune state-of-the-art AI models using advanced techniques like foundation models, prompt engineering, and multi-agent architectures
  • Rapidly prototype AI solutions, deploy them to production, debug code, and support MLOps/AIOps workflows
  • Translate research into production-ready solutions, measure impact through A/B testing and telemetry, and contribute to papers, patents, and conferences
  • Use data to identify gaps in AI quality, uncover insights, and implement proof-of-concept projects
  • Maintain clear documentation of experiments and share findings internally to promote innovation and knowledge sharing

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 are required for this role
  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter

Nice to have

  • Familiarity with modern LLMOps frameworks (e.g., LangChain, PromptFlow)
  • 3+ years of experience publishing in peer-reviewed venues or filing patents
  • 3+ years of experience conducting research in academic or industry settings
  • 1+ year of experience developing and deploying live production systems
  • 1+ years of experience working with Generative AI models and ML stacks
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