(USA) Staff, Data Scientist
About The Position
Walmart is seeking a Staff Data Scientist to lead advanced measurement and analytics solutions that address complex marketing and business challenges at scale. This role will focus on Media Mix Modeling (MMM), experimentation, causal inference, and broader marketing analytics to measure marketing effectiveness and inform strategic investment decisions. The ideal candidate combines deep statistical and technical expertise with strong business acumen—someone who can develop rigorous analytical solutions, translate complex findings into actionable recommendations, and influence decisions across Marketing and the broader organization. Our team sits within Marketing Analytics and develops rigorous, actionable measurement solutions to help Walmart understand and optimize the impact of marketing investments. Our work spans three core areas: Media Mix Modeling, including measurement of High Value Habits; experimentation and causal inference, including geo-, store-, and customer-level measurement; and broader marketing analytics connecting media activity, customer behavior, and business outcomes. The team is the combination of advanced data science, experimentation, and real-world business impact at Walmart scale. We partner closely with Marketing, Finance and other analytics teams to turn complex measurement challenges into insights that shape marketing strategy and investment decisions.
Requirements
- Advanced degree in Statistics, Economics, Data Science, or a related quantitative field, or equivalent experience.
- Deep expertise in statistical modeling and causal inference with hand-on experience in experiment design and measurement.
- Hands-on experience developing Media Mix Models, with an understanding of model validation, response curves, incrementality, and attribution.
- Strong programming skills in Python and SQL with vibe coding, with the ability to independently develop and evaluate analytical solutions.
- Strong communication and storytelling skills, particularly the ability to explain sophisticated methodologies and findings to non-technical and senior audiences.
- Demonstrated ability to lead through influence, collaborate across functions, and provide technical direction on complex analytical initiatives.
- Bachelors degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 5 years' experience in an analytics related field.
- Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 3 years' experience in an analytics related field.
- 7 years' experience in an analytics or related field.
Nice To Haves
- Data science, machine learning, optimization models
- PhD 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)
- 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.
- 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
- Lead the development and advancement of MMM and marketing measurement methodologies, including model development, validation, automation, and interpretation.
- Design and analyze experiments and causal inference studies, including geo-, store-, and customer-level tests, to quantify incremental marketing impact.
- Build frameworks that connect experimental evidence with observational and MMM measurement, improving confidence in marketing effectiveness and investment decisions.
- Apply advanced statistical and causal methods to complex business questions involving customer behavior, media performance, and marketing incrementality.
- Translate technical findings into clear business insights and strategic recommendations for senior stakeholders.
- Partner cross-functionally to identify high-impact measurement opportunities, define analytical roadmaps, and develop scalable solutions.
Benefits
- 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 leave
- Jury duty leave
- Voting leave
- Short-term disability
- Long-term disability
- Company discounts
- Military Leave Pay
- Adoption expense reimbursement
- Surrogacy expense reimbursement
- PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes
- Walmart-paid education benefit program (Live Better U) for full-time and part-time associates
- Tuition, books, and fees are completely paid for by Walmart for Live Better U programs
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What This Job Offers
Job Type
Full-time
Career Level
Senior
