Senior Data Scientist

Chicago, IL, US

Job Description / Skills Required

Requisition ID: R12013
Responsibilities:

Provide thought leadership on challenging data science problems that aim to make Groupon's marketplace more efficient. Example challenges include: Closing the right merchants, ensuring merchant success, predicting customer CLTV, predicting merchant performance, developing ensemble models, etc.

Flood the room with elegant data science solutions to business problems and best practices in machine learning.

Work closely with product and engineering teams to form good hypotheses on how to improve the business. Design, execute and measure experiments to test these hypotheses.

Interpret and communicate insights and findings from analyses and experiments to product, service, and business managers.

Requirements:

PhD degree in statistics, applied mathematics or related quantitative field.

4+ years of experience as a data scientist or a related role.

Experience with widely used machine learning algorithms like linear and logistic regression, decision trees, SVM, KNN, k-means, random forest, dimensionality reduction, etc.

Proven ability to architect elegant solutions that solve problems holistically. Deep understanding of the pros and cons of alternative algorithms in terms of the assumptions made, execution requirements, etc.

Experience defining and analyzing multivariate tests

Expert in R with experience in machine learning related packages

Expert in SQL with experience in data warehouse technologies like Teradata

Experience with big data technologies like Spark and Hive is a plus

Strong coding skills in Python and Java/C++ is a plus

This is not just a classic Data Science research position! It requires a passion for consumer experience, a desire to go into uncharted territory with bold new ideas, and a willingness to go the last mile on execution!

Groupon provides a global marketplace where people can buy just about anything, anywhere, anytime. We’re enabling real-time commerce across an expanding range of categories including local businesses, travel destinations, consumer products, and live or lively events. At the same time, we are providing advertising options and tools that merchants can use to grow and manage their businesses. Culturally, we believe that great people make great companies and that starting with the customer and working backward moves us forward. Community matters to us on an internal, local and global scale—it’s fundamental to our company’s growth and to the well-being of the world at large. We also value self-awareness, candor, lunch and WiFi. If we match with you, please apply to join us.