Microsoft · 20 hours ago
Principal Applied Scientist - CoreAI
Redmond, WA
Full-time
Hybrid
Senior Level, Lead/Staff
$140K/yr - $275K/yr
3+ years expMicrosoft is building transformative experiences in AI through its CoreAI Platform and Tools organization. They are seeking a Principal Applied Scientist to tackle challenges in enabling responsible AI advancements for customers.
Agentic AIApplication Performance ManagementArtificial Intelligence (AI)Business DevelopmentDevOpsInformation ServicesInformation TechnologyManagement Information SystemsNetwork SecuritySoftware
Responsibilities
Doing supervised fine-tuning of LLMs
Applying Reinforcement Learning from Human Feedback in the process
And conducting thorough evaluation of those
Qualification
Required
Bachelor's Degree in Computer Science, Computational Linguistics, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research)
OR Master's Degree in Computer Science, Computational Linguistics or related field AND 4+ years related experience (e.g., statistics, predictive analytics, research)
OR Doctorate in Computer Science, Computational Linguistics, or related field AND 3+ years related experience (e.g., statistics, predictive analytics, research)
OR equivalent experience
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
Preferred
Doctorate in Computer Science, Computational Linguistics, or relevant field AND 2+ years related applied science experience OR equivalent experience
Proven experience in machine learning, particularly in NLP and deep learning
Experience with language model training and evaluation is a big plus
Experience with research in Responsible AI is a big plus
Proficiency in programming languages such as Python, and familiarity with machine learning frameworks including PyTorch and Triton
Experience with data processing and handling large datasets
Ability to work collaboratively in a team and communicate complex concepts effectively
Company
Microsoft
Microsoft is a software corporation that develops, manufactures, licenses, supports, and sells a range of software products and services.
10001+ employees
H1B Sponsorship
Microsoft has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (9192)
2024 (9343)
2023 (7677)
2022 (11403)
2021 (7210)
2020 (7852)
Funding
Current Stage
Public CompanyTotal Funding
$1MKey Investors
Technology Venture Investors
2022-12-09Post Ipo Equity
1986-03-13IPO
1981-09-01Series Unknown· $1M
Leadership Team
Satya Nadella
Chairman and CEO
Vukani Mngxati
Chief Executive Officer - Microsft South Africa
Recent News
2026-01-16
Morningstar.com
2026-01-16
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