Principal Applied Scientist

Microsoft
United States, California, Mountain View2026-01-17onsite

About the job

We are seeking an entrepreneurial and creative Principal Applied Scientist to lead groundbreaking research projects, taking these from research into product. You will collaborate with scientists, engineers and designers across Microsoft Research, Microsoft product teams and Github. You will have an opportunity to build and train state-of-the-art models, and opportunities to both apply and advance existing approaches of using LLMs for software engineering, from using RAG to evaluation. Most importantly, you will have an opportunity to work closely with several developer product teams to run experiments, evaluate, iterate and improve your AI projects on a large scale.

Responsibilities

Lead research projects on the future of AI for developers

Collaborate across disciplines with product teams across Microsoft and Github

Stay up to date with the research literature and product advances in AI for software engineering

Create new datasets from both the world's public code and Microsoft's internal data.

Build and manage large-scale ML experiments and models.

Embody our Culture and Values

Qualifications

Minimum

Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience with Machine Learning AND/OR Artificial Intelligence (AI) AND/OR Data/Applied Science OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience with Machine Learning AND/OR Artificial Intelligence AND/OR Data/Applied Science OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience with machine learning AND/OR artificial intelligence AND/OR Data/Applied Science OR equivalent experience. Other Requirements: Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings: 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

Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 9+ years related experience with Machine Learning AND/OR Artificial Intelligence (AI) AND/OR Data/Applied Science OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience with Machine Learning AND/OR Artificial Intelligence (AI) AND/OR Data/Applied Science OR equivalent experience. 2+ years experience in building machine learning and AI for production environment. 3+ years experience developing and deploying live production systems, as part of a product team. 3+ years experience developing and deploying products or systems at multiple points in the product cycle from ideation to shipping.