New 
Principal Applied Scientist
 Microsoft | |
 United States, Washington, Redmond | |
 Jul 30, 2025 | |
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OverviewMicrosoft 365 Copilot is a groundbreaking productivity tool that leverages the power of large language models, user data, Microsoft Graph, and the web to drive unparalleled creativity and productivity. At the heart of this innovation is the Office AI Science team, which plays a crucial role in the aid of development of Copilot experiences in Office apps like Word, Excel, and PowerPoint and assists teams across Microsoft. We own the infrastructure and base AI platform that enables complex orchestration of Copilot workflows to put powerful AI capabilities at the user's fingertips. Weleveragethe most advanced, large language models (LLMs) to developcutting-edgeCopilot experiences.We are hands-on, assist our partner teams in their Machine Learning (ML) efforts and set guidance on best practices through detailed experimentation and research. We have important AI skills like PowerPoint Summary, Q&A, Podcast generation, among others. We have shipped the first fine-tuned model for M365 and are working on multiple fine-tuning scenarios for o3, CUA, and others.We are seeking a highly motivated and experienced scientist with expertise in machine learning. As a Principal Applied Scientist inOffice AI,you would work in an exciting and fast-paced environment, collaborating closely with teams across the company, including Microsoft Researchand various product groups and partner with them to deliver the complete solutions. This will need alignment with senior stakeholders, working together to build custom LLMs and architecture for specific product needs. We value and encourage Inclusivity 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.
ResponsibilitiesResearch and develop an understanding of the state-of-the-art tools, technologies, and methods being used in the research community and product groups.You will also serve as a team expert on changes in industry trends, products, and other advances, and apply this knowledge to influence product needs.Advance research agenda through one or more projects, fine tuning models, yielding new algorithms, prototypes, theories, tools, methods, or collections of data.You will review business and product requirements, incorporate research, and provide strategic direction for problem solving. You'll also ensure scientific rigor, support the development of methods, and apply your expertise to support business impact.Collaborate with stakeholders to define project goals, success criteria, and deliverables.You will identify and inspire peers and new research talent to join Microsoft, build relationships, and advocate for research initiatives. You will share research findings through industry outreach, collaborate with the academic community, and help develop the recruiting pipeline. | |