Principal Applied Scientist
Microsoft · Redmond, WA · Applied Sciences
About this role
Microsoft is hiring a principal-level Applied Scientist in the machine learning function based in Redmond, WA. The posting calls out experience with Spark, TensorFlow, PyTorch, LLMs. Compensation is listed at $142,800–$274,800 per year.
- Role
- Applied Scientist
- Function
- machine learning
- Level
- principal
- Track
- Tech leadership
- Employment
- Full-time
- Location
- Redmond, WA
- Department
- Applied Sciences
- Posted
- May 30, 2026
More roles at Microsoft
Job description
from Microsoft careersThe Microsoft AI Web Data team is looking for a highly qualified Principal Applied Scientist to help build the next-generation platform for Bing and Microsoft AI.
The Microsoft AI Web Data Platform (WDP) team builds the data foundation that powers Bing and Microsoft AI experiences, including large-scale grounding and large language model (LLM) training. We operate end-to-end systems that discover, fetch, process, understanding and store web content at internet scale. We advance the platform’s capabilities with state-of-the-art modeling and fueling critical Microsoft experiences and pushing the frontier of AI.
This is a great opportunity for someone who enjoys tackling deep technical challenges and driving industry-wide impact. In this role, you will translate research into production by advancing the state of the art and applying it to meet today’s AI needs. You will drive the design, development, execution, and implementation of research projects, using scientific principles and techniques to develop, evaluate, and deploy algorithms and solutions that improve system performance, quality, data management, and accuracy.
Join us to shape the future of AI and deliver meaningful value to millions of users.