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Member of Technical Staff - Data Scientist

https://www.microsoft.com/ Logo

Microsoft Corporation

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Location:
United States , Mountain View

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Contract Type:
Not provided

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Salary:

119800.00 - 234700.00 USD / Year

Job Description:

We’re looking for data scientists to help build the next generation of post-training methods for frontier models at Microsoft AI. You’ll join a small, high-impact team working across all stages of post-training, with a focus on evaluation design, high-quality training data, and scalable data pipelines for state-of-the-art foundation models. In this role, you’ll help turn raw model capability into reliable, aligned, and measurable performance improvements, directly shaping how frontier models behave in real-world deployments.

Job Responsibility:

  • Design evaluations of advanced model capabilities and use them to drive rapid, high-signal iteration loops
  • Work with vendors to produce high quality evaluation and training data
  • Build data pipelines to produce high quality evaluation and training data
  • Build data flywheels to hill-climb on model weaknesses, using data from various surfaces where our models are deployed
  • Ensure optimal quality, quantity and coverage of data across our post-training stages
  • Run post-training experiments and ablations to produce models that climb our evals
  • Embody our culture and values.

Requirements:

  • Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
  • Master's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

Nice to have:

Demonstrated SOTA results in any area of large-scale training, inference, or evaluation.

Additional Information:

Job Posted:
February 17, 2026

Employment Type:
Fulltime
Work Type:
On-site work
Job Link Share:

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