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Senior Applied Scientist

Microsoft

$119,800 - $258,000
Aug 22, 2025
Redmond, WA, USA • Buffalo, NY, USA • Mountain View, CA, USA • Atlanta, GA, USA
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Advancing Microsoft's Outlook Co-pilot efforts in Large Language Model (LLM), Prompt Eng, Evaluation, Relevance and Responsible AI (RAI) by developing an end-to-end infrastructure and measurement framework.

Requirements

  • 1+ year(s) experience in data science, machine learning, experimentation, and AI, with a strong track record of delivering impactful results.
  • 1+ year(s) experience of LLM in finetuning, evaluation techniques, implementing RAG techniques and industry best practices.
  • Understanding of Responsible AI (RAI) principles.

Responsibilities

  • Develop and execute a comprehensive strategy for LLM evaluation, encompassing LLM quality, costs, model performance, model utility (user experience and prompt effectiveness), and responsible AI considerations, in alignment with company-wide efforts and informed by emerging research.
  • Oversee and manage large-scale, cross-functional evaluation programs, ensuring alignment with organizational objectives and timelines.
  • Develop and maintain a robust measurement framework to track and report on LLM performance and user impact.
  • Drive engineering product roadmap to construct automated evaluation pipelines integrated into the product workflow.
  • Utilize strong data science skills to design experimentation, analyze data, create OKRs, create measurement and metrics, and derive actionable insights to enhance LLM systems.
  • Responsible for influencing product and user experience based on evaluation results.
  • Lead efforts to assess and improve the performance and effectiveness of language models and prompts, driving iterative enhancements, including synthetic and manufactured data creation.

Other

  • 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.
  • Analytical and problem-solving skills.
  • Competent communication and presentation abilities.
  • Ability to work in a fast-paced and dynamic environment.