We are looking for a Senior Applied Scientist who can bring deep applied science expertise and a proven track record of shipping at-scale, AI-enabled, intelligent user-facing experiences to drive vision and execution for Microsoft 365 AI. As a Principal Applied Scientist in Microsoft Search, Assistant, and Intelligence (MSAI), you will work in an exciting and fast-paced environment, collaborating closely with teams across the company, including Microsoft Research. You will work as part of an organization that brings together talent in the areas of large language models, recommender systems, machine learning, deep learning, graph learning, information retrieval, software engineering, and responsible AI. We value and encourage diversity in the belief that it leads to both great workplaces and great products. Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond. Microsoft believes that artificial intelligence will play a critical role in accomplishing that mission. The MSAI group is leading this effort. We are working to change the lives and work of hundreds of millions by building deep intelligence into M365 Chat, Search, Recommendation and Knowledge powered scenarios that people use every day in Outlook, Teams, Windows, Edge, Office, SharePoint, and OneDrive.