USA) Principal, Data Scientist
Listed on 2026-08-12
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IT/Tech
Machine Learning/ ML Engineer, Data Analyst, AI Engineer (Applied/Software), Data Scientist
Position Summary... What you'll do...
Role summary:
The Principal Data Scientistwillleadadvanceddatascienceinitiativesbydevelopinganddeployinginnovativemachinelearningmodelsanddata -drivensolutionsthataddresscomplexbusinesschallenges.
Thisrolerequiresexpertiseinstatisticalanalysis,coding,experimentationanddatastrategytotranslatebusinessneedsintoactionableinsights.
Thepositioninvolvesmentoringteammembers,collaborating cross-functionally,andensuringthescalabilityandsustainabilityofmodels.
Thesuccessfulcandidatewilldrivemeasurablebusinessimpactthroughrigorousexperimentation,model validation,andeffectivecommunicationoffindingstoinfluencestrategicdecisionsacrossmultipledomains.
Join the personalization marketing data science team at Walmart, collaborating with engineering, business, and product teams across digital marketing channels such as SEM, SEO, CRM, Display, and Paid Social. The team develops scalable, data-driven solutions to optimize marketing effectiveness and generate high-quality demand efficiently. Members analyze extensive omni-channel commerce data to build models and algorithms supporting business growth. Working alongside skilled data scientists, engineers, marketers, and product managers, the team creates advanced marketing science platforms that enhance strategies and deliver actionable insights across the organization.
What you'll do:- LeadthedevelopmentanddeploymentofadvancedAI,machine learning,andstatisticalsolutionsformarketingscienceandpersonalization.
- Definescalabledatasciencestrategiesalignedwithbusinessobjectives.
- Designrigorousexperiments,causalmeasurementframeworks,andincrementalityanalyses.
- Architectexperimentationplatformssupportingaudienceassignment,metrics,analysis,and reporting.
- Buildpredictiveandpersonalizationmodelstoimprovecustomerengagementandmarketingperformance.
- Analyzelargedatasetstoidentifyinsightsandhigh-impact opportunities.
- Establishreusablemodelingframeworks,feature pipelines,andmodellifecyclestandards.
- Partnerwithcross-functionalstakeholdersandmentordatascientistsonmethodology,coding,experimentation,andcommunicationbestpractices.
- 5+yearexperienceinmachinelearning,deeplearning,andadvancedstatisticalanalysistodevelopanddeploypredictivemodels,preferablyinmarketingscienceorecommerce
- Proficiencyinprogramminglanguagesincluding
PythonandSQLforcodedevelopment,testing,and automation. - StrongknowledgeofMLOpspracticestoensuremodellifecyclemanagementandscalabilityinproductionenvironments.
- Expertiseindataqualityassessment,feature engineering,andexperimentationtodrivedata-driven solutions.
- Abilitytotranslatecomplexbusinessproblemsintoanalyticalmodelsandactionableinsights.
- Experiencewithcloudplatformsformodeldeploymentandmanagement.
- Provenleadershipskillstomentorteamsandguidetechnicalproblemformulationandsolutiondelivery.
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. Benefits are subject to change and may be…
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