(USA) Senior, Data Scientist
About The Position
As a Senior Data Scientist at Walmart, you will leverage advanced analytical techniques and domain expertise to identify, develop, and deploy data-driven solutions that enhance business outcomes. This role involves designing robust models, performing rigorous validation, and ensuring scalability while collaborating with cross-functional teams to translate complex data into actionable insights. You will guide data strategy, uphold data quality standards, and communicate findings effectively to influence decision-making. Your expertise in operations research, machine learning, statistical methods, and visualization will support Walmart’s commitment to innovation and operational excellence. The Inventory Decision Intelligence team, part of Applied AI, owns the science and AI capabilities driving how inventory is ordered, positioned, transferred, and managed across Walmart's network. We apply agentic AI and mathematical optimization to build scalable, reliable decision systems that work consistently across businesses, locations, and operating conditions — from defining decision logic and developing models to monitoring performance in production. In close partnership with engineering, product, and business, we improve inventory availability and sales while reducing excess and operating cost, ultimately delivering better experiences for customers and associates.
Requirements
- Experience designing and developing optimization models and machine learning solutions that power automated decision-making systems.
- Strong foundation in data science, including advanced statistical methods, machine learning, and mathematical optimization techniques.
- Proficiency in Python and relevant data science libraries; familiarity with data visualization tools to communicate analytical findings.
- Strong knowledge of database technologies, including SQL and NoSQL systems, and data quality assessment practices.
- Ability to develop, test, validate, and deploy scalable models with a focus on reliability and production readiness.
- Solid understanding of business domains with the ability to translate complex requirements into decision-driven, data-informed solutions.
- Collaborative approach to work cross-functionally with engineering, product, and business stakeholders.
- Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' experience in an analytics related field.
- Master’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 years' experience in an analytics related field.
- 5 years' experience in an analytics or related field.
Nice To Haves
- Data science, machine learning, optimization models
- Master’s degree in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics
- Successful completion of one or more assessments in Python, Spark, Scala, or R
- Using open source frameworks (for example, scikit learn, tensorflow, torch)
- We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
- The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.
Responsibilities
- Design and implement optimization models and machine learning solutions that power intelligent, automated decision-making across inventory management operations.
- Develop, test, and deploy scalable models using advanced statistical, machine learning, and mathematical optimization techniques.
- Identify and evaluate data sources aligned with business requirements and quality standards.
- Perform exploratory data analysis and feature engineering to support model development and decision logic design.
- Collaborate with stakeholders to translate complex business problems into decision-driven, data-informed solutions.
- Create clear data visualizations to communicate findings and support decision-making.
- Ensure compliance with data governance, quality, and deployment standards throughout project lifecycles.
Benefits
- Competitive pay
- Performance-based bonus awards
- Medical coverage
- Vision coverage
- Dental coverage
- 401(k)
- Stock purchase
- Company-paid life insurance
- PTO (including sick leave)
- Parental leave
- Family care leave
- Bereavement
- Jury duty
- Voting
- Short-term disability
- Long-term disability
- Company discounts
- Military Leave Pay
- Adoption and surrogacy expense reimbursement
- PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes.
- Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
