Staff Data Scientist

Staff Data Scientist

What you'll do at Walmart Labs

A Staff Data Scientist is responsible for analyzing large data sets to develop multiple custom models and algorithms to drive innovative business solutions. Staff Data Scientists work on large project teams in order to provide analytical support and guidance to an assigned area on for large projects (for example, email targeting, business optimization, consumer recommendations) within Walmart eCommerce. Staff Data Scientists are responsible for building large data sets from multiple sources in order to build algorithms for predicting future data characteristics. Those algorithms will be tested, validated, and applied to large data sets. Staff Data Scientists are responsible for training the algorithms so they can be applied to future data sets and provide the appropriate search results. Staff Data Scientists are responsible for researching new trends in the industry and utilizing up-to-date technology (for example, HBase, MapReduce, LAPack, Gurobi) and analytical skills to support their assigned project. Staff Data Scientists are the subject matter experts for statistical analysis and modeling for their project team.
Build complex data sets from multiple data sources, both internally and externally.
Build learning systems to analyze and filter continuous data flows and offline data analysis.
Collaborate with cross-functional partners across the business.
Collaborate with project teams to implement data modeling solutions.
Combine data features to determine search models.
Conduct advanced statistical analysis to determine trends and significant data relationships.
Develop models of current state in order to determine improvements needed.
Develop multiple custom data models to drive innovative business solutions.
Drives the execution of multiple business plans and projects
Ensures business needs are being met
Interpret data to identify trends to go across future data sets.
Promotes and supports company policies, procedures, mission, values, and standards of ethics and integrity
Provides supervision and development opportunities for associates
Research new techniques and best practices within the industry.
Scale new algorithms to large data sets.
Train algorithms to apply models to new data sets.
Translate business needs into data requirements.
Utilize system tools including (MySQL, Hadoop, Weka, R, Matlab,ILog).
Validate models and algorithmic techniques.

Minimum Qualifications

• PhD in computer science or similar field or MS with at least 2-5 years of related experience
• Deep knowledge of machine learning, information retrieval, data mining, statistics, NLP or related field.
• Good functional coding skills in C++ or Java(Java is highly preferred) – talent must be capable of spending up to 10% daily work day in writing production code in either C++/Java/Hadoop/Hive
• Expert level knowledge of one of the scripting languages such as Python or Perl.
• Superior ability to analyze and interpret the results of product experiments.
• Proven experience working with statistical languages such as R.
• Experience working with large data sets and distributed computing tools a plus (Map/Reduce, Hadoop, Hive, Spark etc.)
• 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
Walmart Associate
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All the benefits you need for you and your family

  • Multiple health plan options
  • Vision & dental plans for you & dependents
  • Associate discounts in-store and online
  • Financial benefits including 401(k), stock purchase plans and more
  • Education assistance for Associate and dependents

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