Principal Data Scientist

Role Overview

Join Walmart as a Principal Data Scientist to lead advanced analytics initiatives that drive strategic business decisions. This role involves developing and deploying machine learning models, performing statistical analysis, and leveraging cloud technologies to solve complex problems.

What You Will Do

Develop and deploy machine learning models, perform statistical analysis, and leverage cloud technologies to solve complex problems. Set the technical direction for scalable measurement and optimization capabilities, build Search Ghost Ads incrementality capabilities, and lead the development of OMNI-Impact Pulse for in-season media optimization.

Why It Might Be a Fit

The successful candidate will collaborate cross-functionally to translate business requirements into scalable data solutions, mentor team members, and ensure data quality and model performance. The team values collaboration and continuous improvement, applying advanced machine learning, statistical analysis, and cloud technologies to solve complex business challenges and optimize media monetization strategies.

Requirements

• MS or higher in Computer Science, Machine Learning, Mathematics, Statistics, Operations Research, or a related quantitative field
• 10+ years of industry experience applying machine learning, statistics, and analytics to complex business problems
• Hands-on experience designing, implementing, and scaling production-grade modeling systems
• Proven hands-on experience building Media Mix Models (MMM) and applying them for budget planning, optimization, and scenario analysis
• Strong experience with causal inference and quasi-experimental methodologies for incrementality measurement
• Solid background in machine learning and statistical modeling, with experience in advertiser segmentation and ad response prediction
• High proficiency in Python and SQL, with preferred experience working in large-scale data environments such as Google BigQuery and Dataproc

Benefits

• Competitive pay
• Performance-based bonus awards
• 401(k) match
• Stock purchase plan
• Paid maternity and parental leave
• PTO
• Multiple health plans
• Short-term and long-term disability
• Company discounts
• Military Leave Pay
• Adoption and surrogacy expense reimbursement

Tagged as: BigQuery, Python, SQL