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Principal Data Scientist
Walmart. Design and deploy production-scale AI/ML solutions across risk intelligence, investigations, document intelligence, anomaly detection, entity resolution, graph analytics, forecasting, optimization, and agentic AI .
Posted 9/22/2026full-timeBellevue • Washington • United StatesLead💰 $132,000 - $264,000 per yearWebsite
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in designing and deploying AI/ML solutions, with a strong focus on machine learning, applied statistics, and optimization. Proven ability to mentor teams, influence cross-functional collaboration, and establish responsible AI practices.
Highest-signal resume keywords
Machine Learning ExpertiseGenAI and Agentic ArchitecturesLarge-Scale Data and ML PlatformsNLP and Graph ML ExperiencePython, Spark, Scala, or R Proficiency
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Machine LearningApplied StatisticsOptimizationData ScienceAnomaly DetectionCausal InferenceForecastingGraph AnalyticsEntity ResolutionDocument Intelligence
Soft Skills
Influencing Cross-Functional TeamsClear Communication of Technical Trade-OffsMentoring
Tools & Technologies
PythonSparkScalaRScikit-learnTensorFlowTorchHuman-in-the-Loop WorkflowsEvaluation PracticesDigital Accessibility Best Practices
Industry Keywords
AI SolutionsRisk IntelligenceGovernanceResponsible AIProduction AI Systems
Tech Stack
Tools & technologiesPythonScalaScikit-LearnSparkTensorflow
About the role
Key responsibilities & impact- Design and deploy production-scale AI/ML solutions across risk intelligence, investigations, document intelligence, anomaly detection, entity resolution, graph analytics, forecasting, optimization, and agentic AI
- Build end-to-end capabilities spanning data preparation, modeling, evaluation, deployment, monitoring, and continuous improvement
- Partner with Engineering and Product on architecture, reusable AI services, and build-vs-buy decisions
- Establish strong evaluation and Responsible AI practices
- Mentor other data scientists
- Contribute to technical standards and platform strategy across Global Governance
- Translate high-value governance and risk problems into scalable AI solutions
- Develop reusable patterns that improve speed, quality, and measurable business outcomes
Requirements
What you’ll need- Bachelor's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 5 years' experience in an analytics-related field; or Master's degree in one of these fields and 3 years' experience; or 7 years' experience in an analytics or related field
- Strong expertise in machine learning, applied statistics, optimization, and production AI systems
- Hands-on experience with GenAI and agentic architectures, including RAG, tool use, orchestration, evaluation, and human-in-the-loop workflows
- Strong technical judgment and programming skills
- Experience with large-scale data and ML platforms
- Ability to influence cross-functional teams and communicate complex technical trade-offs clearly
- Experience in NLP, graph ML, anomaly detection, causal inference, forecasting, or optimization highly valued
- Preferred: data science, machine learning, optimization models, publications or active peer review
- Preferred: successful completion of assessments in Python, Spark, Scala, or R
- Preferred: experience with open-source frameworks such as scikit-learn, TensorFlow, or Torch
- Preferred: knowledge of WCAG 2.2 AA, assistive technologies, and digital accessibility best practices
Benefits
Comp & perks- Performance-based bonus awards
- Medical, vision and 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 and long-term disability
- Company discounts
- Military Leave Pay
- Adoption and surrogacy expense reimbursement
- PTO and/or PPTO for vacation, sick leave, holidays, or other purposes
- Live Better U Walmart-paid education benefit program
- Paid tuition, books, and fees for eligible education programs
- Additional stock compensation for certain positions