Principal Data Scientist

Principal Data Scientist

What you'll do at Walmart Labs

The Social Advertising team @WalmartLabs builds and owns automated advertising platforms which serve display and product ads on the open web and social media sites like Facebook, Twitter, Pinterest, and Snapchat. The team is a major contributor of new customers acquisitions to Walmart as well as revenue & visits to Walmart. We analyze and model terabytes of offline and online purchases, search and browse datasets to deliver a personalized ad to customers and visitors across the web.

As a principal engineer in the team, you will have opportunities to influence the technical roadmap and work with other engineers on different aspects of the system such as personalized recommendations and targeting, conversion modeling, bid optimization, lifetime value optimization, look-alike modeling etc. As part of the team, you will have the opportunity to work hands on large scale real-time machine learning models using state of the art technologies including NoSQL, Apache Spark, and Kafka. The algorithms you develop will be used for personalized remarketing for users as well as driving completely new visitors and customers to Walmart. If you speak and think machine learning, then we want to talk to you. Come join our team and be part of this exciting journey.

Minimum Qualifications

• Ph.D. in computer science or similar field with 3+ yrs of related exp or MS with 5+ years of related experience
• Deep knowledge of machine learning, information retrieval, data mining, statistics, NLP or related field.
• Good functional coding skills in C++, Java, Scala in addition to good knowledge of one of the scripting languages such as Python or Perl.
• Experience working with large data sets and distributed computing tools a plus (Map/Reduce, Hadoop, Hive, Spark etc.)
• Superior ability to analyze and interpret the results of product experiments.
• Proven experience working with statistical languages such as R.
• Strong communication skills both written and verbal

Preferred Qualifications

• Knowledge of Spark, Scikit-learn, Problem solving, Willing to learn new technologies.
• Self-starter, Quick learner, Keen observer, eye for detail and someone who relishes challenges
• Strong research and publication record
Walmart Associate
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