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Principal Research Scientist

Microsoft

$139,900 - $304,200
Sep 10, 2025
Redmond, WA, US
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Microsoft CoreAI is working on the future of AI for Developers, aiming to improve the productivity of millions of developers globally through AI advancements in code. The team is seeking to lead cutting-edge projects from concept to product, building and training state-of-the-art models, and applying advanced techniques for leveraging LLMs in software engineering.

Requirements

  • Doctorate in relevant field AND 3+ years related-research experience OR equivalent experience.
  • 2+ years of experience in productizing machine learning models.
  • PhD degree in Computer Science, Statistics, Physics/Math, or related fields.
  • 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.

Responsibilities

  • Lead the development and evaluation of state-of-the-art models for code completion and editing, pushing the boundaries of code understanding, generation, fix and review.
  • Develop retrieval-augmented systems that improve a model’s awareness of large and complex codebases, enabling context-rich code assistance.
  • Design and prototype efficient inference algorithms to enable fast, interactive code generation experiences at scale.
  • Build and train state-of-the-art models.
  • Apply and advance techniques for leveraging LLMs in software engineering, including RAG and evaluation.
  • Partner closely with developer product teams to run large scale experiments, evaluate results, and continuously improve AI solutions.
  • Stay up to date with the research literature and product advances in AI for software engineering

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.
  • Required communication skills, ability to write and present research papers.