Senior Applied Scientist to advance large language models and multimodal AI within Microsoft Copilot. You will work at the intersection of research and engineering to shape the core systems powering Microsoft 365 Copilot, including orchestrator reasoning, model training (including fine-tuning and reinforcement learning), data curation, evaluation, metrics, and A/B testing. Responsibilities include mastering a broad area of research, applying industry trends to influence product needs, supporting the development of methods, and collaborating with researchers and engineers to deliver model-driven features from concept to production. You will identify and inspire peers, engage with the academic community, help build the recruiting pipeline, and contribute to ethics and privacy considerations in research. Qualifications include: Bachelor’s Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field with 4+ years of experience; OR Master’s Degree with 3+ years; OR Doctorate with 1+ year; or equivalent experience. Additional requirements include the ability to meet Microsoft security screening requirements. Preferred qualifications include Master’s or Doctorate in relevant fields with additional years of experience, and experience with publications (e.g., patents, libraries, peer‑reviewed papers). The base pay range for Applied Sciences IC4 in the U.S. generally falls between USD 119,800 and 234,700 per year, with location-specific ranges in the San Francisco Bay Area and New York City metropolitan area between USD 160,200 and 261,00

Senior Applied Scientist to advance large language models and multimodal AI within Microsoft Copilot. You will work at the intersection of research and engineering to shape the core systems powering Microsoft 365 Copilot, including orchestrator reasoning, model training (including fine-tuning and reinforcement learning), data curation, evaluation, metrics, and A/B testing. Responsibilities include mastering a broad area of research, applying industry trends to influence product needs, supporting the development of methods, and collaborating with researchers and engineers to deliver model-driven features from concept to production. You will identify and inspire peers, engage with the academic community, help build the recruiting pipeline, and contribute to ethics and privacy considerations in research. Qualifications include: Bachelor’s Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field with 4+ years of experience; OR Master’s Degree with 3+ years; OR Doctorate with 1+ year; or equivalent experience. Additional requirements include the ability to meet Microsoft security screening requirements. Preferred qualifications include Master’s or Doctorate in relevant fields with additional years of experience, and experience with publications (e.g., patents, libraries, peer‑reviewed papers). The base pay range for Applied Sciences IC4 in the U.S. generally falls between USD 119,800 and 234,700 per year, with location-specific ranges in the San Francisco Bay Area and New York City metropolitan area between USD 160,200 and 261,00