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Principal Applied Scientist

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Microsoft Corporation

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Location:
United States , Mountain View

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

139900.00 - 274800.00 USD / Year
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Job Description:

As a Principal Applied Scientist at Viva Engage, your role is to build Agentic applications across our product, predictive models that connect individuals with each other and knowledge across organizations. Our focus lies in discovery, recommendations, relevance and grounding for features across Viva Engage, leveraging data from our platform and across Office 365.

Job Responsibility:

  • Design, build, and ship machine learning and LLM-driven capabilities that directly power AI features in Viva Engage, with clear product KPIs (e.g., activation, retention, engagement, moderation quality, time saved)
  • Own end-to-end delivery of applied science solutions: problem framing → data/labels → modeling/prompting → evaluation → experimentation (A/B tests) → deployment → monitoring → iteration
  • Develop and operationalize AI agents for knowledge discovery, moderation, communities, and events—focused on measurable user value, automation, and high-quality recommendations
  • Work with large, complex datasets to solve ambiguous, non-routine product problems using advanced statistical and ML methods, prioritizing approaches that are production-viable
  • Utilize Large Language Models (LLMs) for advanced text analysis and natural language understanding tasks, enabling deeper connections and knowledge sharing across organizations
  • Leverage generative AI techniques to enhance data augmentation and predictive capabilities, further improving recommendations and personalized user experiences
  • Develop deep product intuition to influence future product roadmaps and drive decision-making by making pragmatic tradeoffs between model quality, engineering complexity, and time-to-value
  • Collaborate with product and engineering to craft experiments and test hypotheses
  • Communicate clearly across disciplines: translate complex technical decisions into product implications, risks, and expected outcomes
  • Operate effectively in complex, cross-team environments and drive alignment through technical leadership and execution
  • This is a hands-on applied science engineering role: you will write production-quality code, prototype quickly, and implement your own solutions (not just analyses, papers, or slide decks)
  • You will contribute directly in areas such as Python/TypeScript/Java services or pipelines, Prompt/Agent orchestration, Evaluation harnesses, Experimentation instrumentation, and model/agent monitoring

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
  • 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

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

Additional Information:

Job Posted:
January 15, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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