Staff Data Scientist

Staff Data Scientist

What you'll do at

  • 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

Responsibilities
- Perform hands-on data exploration, processing, and analysis on massive data sets.
- Use machine learning, deep learning and data mining techniques to develop robust predictive models in areas such as Walmart Marketplace seller fraud detection and prevention.
- Pull data from warehouse, perform feature engineering, back-test models, compare model performances and communicate the results to stakeholders.
- Research and develop state-of-the-art algorithms that address complex business problems.
Minimum Qualifications
- Technical expertise in data mining, machine learning, and statistical analysis.
- Proficient in machine learning and data mining packages in Python.
- Experience working with large data sets and distributed computing tools (Map/Reduce, Hadoop, Hive, or Spark).
- Expertise with shell scripting.
- Advanced degree (Master or Ph.D.) in any STEM field plus at least three years of related experience.
- Ability to work in a fast-paced, iterative development environment.
- Good communication skills, ability to work with cross functional teams of technical and non-technical members.
Additional Preferred Qualifications
- Programming skills in one of the following languages: SQL, Java, or JavaScript on a UNIX or Linux platform.

Preferred Qualifications

Big Data, Analytics

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About Walmart Labs

Imagine working in an environment where one experiment can catapult an entire industry toward a smarter future. That’s what we do at Walmart Labs. We’re a team of 5,000+ software engineers, data scientists, designers and product managers within Walmart, the world’s largest retailer, delivering innovations that improve how our customers shop and our enterprise operates.

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All the benefits you need for you and your family

  • 100% coverage for in network preventative care
  • Retirement Plan
  • Vision Plans
  • Dental Plans
  • Exclusive Discounts

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