(usa) Data Scientist III

Walmart Walmart · Retail · Bentonville, AR

Data Scientist III at Walmart focused on analyzing large datasets for fraud detection, identifying trends and anomalies, and applying new analytical methods. Collaborates with cross-functional teams to deliver insights and support data-driven decisions. Requires technical expertise in data analysis, SQL, Python/R, and distributed computing tools.

What you'd actually do

  1. Partner strategically with product development and business teams, delivering insights and recommendations of fraud trends and patterns through effective data storytelling and visualization.
  2. Analyze high-dimensional, fast-moving real-time datasets to identify trends, anomalies, and opportunities for fraud detection.
  3. Build and maintain dashboards and reports to monitor key business metrics and share insights with stakeholders.
  4. Ensure data quality and integrity through rigorous validation and documentation.
  5. Research and apply new analytical methods, tools, and techniques to solve complex business problems.

Skills

Required

  • data analysis
  • statistical methods
  • data visualization
  • data modeling
  • data engineering best practices
  • SQL
  • Python or R
  • BigQuery, Hive, or Spark
  • Bachelor's degree in a STEM or related field plus three years of related experience or Master's degree in a STEM or related field plus one year of related experience

Nice to have

  • Tableau, Power BI, Looker

What the JD emphasized

  • fraud trends and patterns
  • fraud detection
  • large datasets
  • real-time datasets