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Senior Applied Scientist- Microsoft Excel team

Microsoft

$119,800 - $258,000
Nov 12, 2025
Redmond, WA, United States of America
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Microsoft Excel team is seeking a Senior Applied Scientist to architect, design, and ship intelligent systems that assist users in writing code for Microsoft Excel using state-of-the-art techniques in large language models, deep learning, program synthesis, and information retrieval.

Requirements

  • 1+ years' experience in applying machine learning techniques and driving end-to-end AI product development.
  • 1+ years working with Large Language Models.
  • 4+ years' experience in applying machine learning techniques and driving end-to-end AI product development.
  • Demonstrated ability to work effectively end-to-end in a challenging technical problem domain (plan, design, execution, continuous release, and service operation).
  • Experience with shipping internet scale, low latency and high availability.
  • Experience with Microsoft Excel.
  • Experience with python programming.
  • Experience with Applications of Foundation Models, Domain Adaptation of Foundation Models (e.g. fine-tuning LLMs/SLMs).
  • Experience with Prompt optimizations, Data Mining with language models, Agentic systems.

Responsibilities

  • Conduct rigorous analysis to evaluate the performance of intelligent applications, identify areas for improvement, and iterate.
  • Executing projects from design through implementation, experimentation and finally shipping to our users.
  • Integrate experiments into production systems by implementing them and maintaining and optimizing their performance.
  • Understand broad areas of research and techniques, as well as a knowledge of industry trends to apply this in the product.
  • Prepare data for analysis by applying quality and technical constraints. Review data and suggest data to be included and excluded and address data quality problems.
  • Assist with the development of usable datasets for modeling purposes and support the scaling of product ideas.

Other

  • Embody our culture and values.
  • 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.
  • Microsoft is an equal opportunity employer.