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Member of Technical Staff - Post-Training

Microsoft

$117,200 - $294,000
Sep 10, 2025
Redmond, WA, USA • New York, NY, USA • Mountain View, CA, USA
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Microsoft AI is looking to develop cutting-edge algorithms for post-training large language models (LLMs) and ship those models to millions of users using Copilot every day, to advance the state-of-the-art on a wide variety of internal and external benchmarks.

Requirements

  • Experience with reward modeling, RL, or other post-training techniques.
  • Coding experience in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.
  • Demonstrated experience in large-scale AI.
  • Passionate about conversational AI and its deployment.
  • Proven ability to collaborate and contribute to a positive, inclusive work environment, fostering knowledge sharing and growth within the team.
  • Experience with large language models (LLMs)

Responsibilities

  • Develop data collection, evaluation, and post-training methods for models.
  • Design hypotheses and experiment plans for rapidly iterating on model performance.
  • Embody our culture and values.

Other

  • Bachelor's Degree in Computer Science, Machine Learning, Mathematics, or related technical discipline AND 4 years technical engineering experience.
  • OR equivalent experience.
  • Demonstrated written and verbal communication skills with the ability to work closely with cross-functional teams, including product managers, designers, and other engineers.
  • Passion for learning new technologies and staying up to date with industry trends, best practices, and emerging technologies in AI.
  • Must work from a designated Microsoft office at least four days a week if they live within 50 miles (U.S.) or 25 miles (non-U.S., country-specific) of that location.