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Walmart

Principal Data Scientist

Walmart

Principal Data Scientist at Walmart leading advanced optimization and decision science solutions for supply chain. Focus on enhancing inventory allocation and fulfillment through data-driven insights.

Posted 5/27/2026full-timeBangalore • 🇮🇳 IndiaLeadWebsite

Tech Stack

Tools & technologies
CloudPython

About the role

Key responsibilities & impact
  • Lead the design and delivery of advanced optimization, machine learning, and decisioning solutions for high-value retail and supply chain problems, including replenishment, placement, inventory flow, and fulfillment planning.
  • Shape the technical roadmap for systems such as replenishment override agents, allocation and placement engines, item exit optimization, fit-to-shelf logic, and demand-splitting workflows.
  • Build and productionize scalable models and algorithms that operate across large datasets, complex business constraints, and network-level decisions spanning stores, DCs, and fulfillment centers.
  • Partner with product managers, engineers, and business stakeholders to define problem statements, success metrics, experimentation approaches, and production roll-out strategies.
  • Translate ambiguous operational challenges into mathematically rigorous and implementable solutions, including optimization formulations, heuristics, simulations, predictive models, and decision-support tools.
  • Drive architectural decisions for production-grade science systems using modern cloud and distributed data platforms.
  • Mentor senior and junior data scientists, provide technical guidance across projects, and help scale reusable science patterns, frameworks, and best practices across the team.
  • Communicate findings, tradeoffs, and business impact clearly to leaders across science, engineering, and operations.
  • Identify innovation opportunities that can translate into patents, reusable platforms, and step-change business outcomes.

Requirements

What you’ll need
  • Masters or PhD with > 10 years in Computer Science, Statistics, Mathematics, Operations Research, Economics, Engineering, or related quantitative field and 8+ years of experience in data science, machine learning, optimization, or related field.
  • Experience leading complex technical initiatives from problem framing through production deployment and business adoption.
  • Experience working with Python and modern data/science tooling in cloud or distributed computing environments.
  • 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.

Benefits

Comp & perks
  • Health insurance
  • Retirement plans
  • Professional development
  • Flexible work arrangements

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
machine learningoptimizationdata sciencepredictive modelsalgorithmsstatistical analysisheuristicssimulationsdecision-support toolsdata analysis
Soft Skills
leadershipcommunicationmentoringcollaborationproblem-solvingtechnical guidanceinnovationstrategic thinkingadaptabilitycritical thinking
Certifications
Masters degreePhDBachelors degree