**Applied Scientist II and Senior Applied Scientist (Multiple Positions) - Office AI Platform team** Microsoft 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 Platform 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.  **   We leverage the most advanced, large language models (LLMs) to develop cutting-edge Copilot 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 an **Applied Scientist II and**   **Senior Applied Scientist (multiple positions)** in  **Office AI, ** you would work in an exciting and fast-paced environment, collaborating closely with teams across the company, including Microsoft Research and various product groups. You will work as part of an organization that brings together talent in the areas of large language models, deep learning, information retrieval, software engineering, and responsible AI. 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. **Responsibilities** + Research and develop an understanding of the state-of-the-art tools, technologies, and methods being used in the research community and product groups.  + Advance research agenda through one or more projects, yielding new algorithms, prototypes, theories, tools, methods, or collections of data. + Drive the team's strategic vision and align it with the overall company objectives. + Collaborate with stakeholders to define project goals, success criteria, and deliverables. **Qualifications** **Required Qualifications:** + Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 2+ years related experience (e.g., statistics, predictive analytics, research) + OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 1+ year(s) related experience (e.g., statistics, predictive analytics, research) + OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field + OR equivalent experience. + 1+ years experience with transformer-based models (e.g., GPT, Llama). + 2+ years experience with Python and relevant ML libraries (e.g., PyTorch). + 2+ years experience in coding and design, specifically in the development of AI models for scaled production services. + 2+ years experience in shipping applied research to production, highlighting a track record of combining coding skills with advanced expertise in AI model development. **Preferred Qualifications** + Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience (e.g., statistics predictive analytics, research) + OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience (e.g., statistics, predictive analytics, research) + OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 1+ year(s) related experience (e.g., statistics, predictive analytics, research) + OR equivalent experience. + 2+ years experience with transformer-based models (e.g., GPT, Llama). + 3+ years experience with Python and relevant ML libraries (e.g., PyTorch). + 3+ years experience in coding and design, specifically in the development of AI models for scaled production services. + 3+ years experience in shipping applied research to production, highlighting a track record of combining coding skills with advanced expertise in AI model development.   + Masters or Doctorate in Computer Science, Math, Statistics, or related areas with industry experience or publication record in the areas of Large Language Models, Machine Learning, or Natural Language Processing. + Problem solving and data analysis skills, with expertise in developing or applying predictive analytics, statistical modelling, data mining, or machine learning algorithms. + Leadership skills to influence others, with the ability to understand team dynamics, retain, attract, and develop team members. + Grounded in growth mindset, and advocate for diversity and inclusion. Applied Sciences IC3 - The typical base pay range for this role across the U.S. is USD $100,600 - $199,000 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $131,400 - $215,400 per year. Applied Sciences IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $158,400 - $258,000 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay Microsoft will accept applications and processes offers for these roles on an ongoing basis. Microsoft is an equal opportunity employer. Consistent with applicable law, all qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations (https://careers.microsoft.com/v2/global/en/accessibility.html) .