We are looking for a highly skilled Principal applied scientist with a strong background in Machine Learning, Reinforcement Learning, Causal Inference, Data Science, Data Mining, or related fields. Candidates should be passionate about artificial intelligence and optimization at web scale. They will play a key role in driving algorithmic improvements to online and offline systems, develop and deliver robust and scalable solutions, make direct impact to both user and advertisers experience, and continually improve our KPIs.

　　The Search + Distribution organization includes the product, engineering, and growth teams responsible for Microsoft Bing worldwide, as well as Microsoft Search in Bing for enterprise. Our mission is to delight users everywhere with the best search experience. We are focused on creating competitive and differentiated search quality experiences, which we do by applying highly advanced ML technologies such as large-scale deep learning models and by investing in more modern search experiences.

　　Our Culture: Microsoft Culture (https://careers.microsoft.com/us/en/culture)

　　Our Team: Inside Microsoft's Web Experiences Team (https://youtu.be/Isw_GB0zCgY)

　　Responsibilities

　　Building and owning production machine learning models to improve results

　　Finding insights and forming hypothesis on large-scale data with various machine learning, feature engineering, statistical, and data mining techniques: e.g. regression, classification, NLP, optimization, p-values analysis

　　Designing experiments, understanding the resulting data, and producing actionable, trustworthy conclusions from them

　　Wrangling large amounts of data (think petabytes) using various tools, including open-source ones and your own. All programming languages are welcome, especially Python, C#, R, C++, Java, and SQL

　　Taking complex problems and the associated data and giving the answers in a concise form to assist senior executives in making key business decisions

　　Qualifications

　　MS, Ph.D., or BS

　　12+ yrs of industry experience.

　　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) .