FULL_TIME
10+
Principal Applied Scientist - Microsoft 365 Copilot
11/26/2025
Build and deliver model-driven features from concept to production, including model development and evaluation. Collaborate with engineers and researchers to advance AI solutions and measure model performance using predictive analytics.
Working Hours
40 hours/week
Company Size
10,001+ employees
Language
English
Visa Sponsorship
No
About The Company
Every company has a mission. What's ours? To empower every person and every organization to achieve more. We believe technology can and should be a force for good and that meaningful innovation contributes to a brighter world in the future and today. Our culture doesn’t just encourage curiosity; it embraces it. Each day we make progress together by showing up as our authentic selves. We show up with a learn-it-all mentality. We show up cheering on others, knowing their success doesn't diminish our own. We show up every day open to learning our own biases, changing our behavior, and inviting in differences. Because impact matters.
Microsoft operates in 190 countries and is made up of approximately 228,000 passionate employees worldwide.
About the Role
Build and deliver model-driven features from concept to production—spanning model development, evaluation, metrics, and A/B testing Conduct research and development to push the boundaries of model training, evaluation, and quality assessment for AI solutions. Post-train LLMs for enterprise scenarios M365 Copilot and on tenant data to enable task-specific agents and solutions within the enterprise ecosystem. Collaborate with engineers and researchers to advance deep learning, natural language processing (NLP), multimodal models, and model optimization techniques. Measure, analyze, and report on model performance, quality, and impact using predictive analytics and statistical methodologies. Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ 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 4+ years related experience (e.g., statistics, predictive analytics, research) OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience (e.g., statistics, predictive analytics, research) 4+ years of experience with end-to-end in a challenging technical problem domain (plan, design, execution, continuous release, and service operation). 4+ years experience with shipping internet scale, low latency and high throughput systems AI products. 4+ years experience with customer/End-result/Metrics driven in design and development. These requirements include but are not limited to the following specialized security screenings: Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 9+ years related experience (e.g., statistics, predictive analytics, research) OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research) OR equivalent experience. 5+ years experience creating publications (e.g., patents, libraries, peer-reviewed academic papers). 2+ years experience presenting at conferences or other events in the outside research/industry community as an invited speaker. Publications at top conferences like ACL (Association for Computational Linguistics), EMNLP (Empirical Methods in Natural Language Processing), SIGKDD (Special Interest Group on Knowledge Discovery and Data Mining), AAAI (Association for the Advancement of Artificial Intelligence), WSDM (Web Search and Data Mining), COLING (International Conference on Computational Linguistics), WWW (World Wide Web Conference), NIPS (Neural Information Processing Systems), ICASSP (International Conference on Acoustics, Speech, and Signal Processing), etc.
Key Skills
Model DevelopmentEvaluationMetricsA/B TestingNatural Language ProcessingDeep LearningMultimodal ModelsModel OptimizationPredictive AnalyticsStatistical MethodologiesAI SolutionsEnterprise ScenariosTask-Specific AgentsPublicationsConference PresentationsResearch
Categories
TechnologyData & AnalyticsScience & ResearchEngineeringSoftware
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