Data Scientist

Role summary:

Walmart is seeking a Staff Data Scientist to lead advanced measurement and analytics solutions that address complex marketing and business challenges s 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.

• 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.

• 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.

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see  . 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.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment.…