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Walmart

Principal Data Scientist

Walmart

. Own a hard, well-defined merchandising data science problem end-to-end, from business question through production system .

Posted 9/25/2026full-timeBangalore • IndiaLeadWebsite

About the role

Key responsibilities & impact
  • Own a hard, well-defined merchandising data science problem end-to-end, from business question through production system
  • Define decision variables, recommendation logic, objectives, constraints, fallback behavior, and success criteria
  • Determine whether to build an automated decision engine or a human decision-support system
  • Select and implement optimization, heuristics, simulation, forecasting, causal/statistical inference, or hybrid approaches
  • Build production systems integrated with merchandising, planning, and platform systems
  • Establish methods and quality standards for Senior Data Scientists and engineers
  • Define metrics and run experiments to validate improvements
  • Create documentation, reusable components, and decision frameworks
  • Identify the next important iteration of the problem
  • Use AI-accelerated development tools while maintaining correctness and maintainability
  • Communicate problems, tradeoffs, recommendations, and impact to engineering leads, merchants, and business stakeholders

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
  • Track record of taking a hard, specific business question and shipping a system that measurably improved the answer
  • Solid depth in optimization/decision methods and applied ML/forecasting/causal inference where relevant
  • Experience with demand or elasticity estimation, long-horizon or seasonal forecasting, constrained planning/execution, assortment or allocation optimization, or competitive/price response modeling
  • Experience in merchandising, retail, supply chain, or a comparable setting
  • Ability to build systems for automated machine decisions and human decision support
  • Ability to improve the work of others through review, mentorship, or reusable standards
  • Judgment on optimality versus robust heuristics and automation versus human decision support
  • Ability to communicate tradeoffs and recommendations clearly
  • No people-management experience required

Benefits

Comp & perks
  • Incentive awards for performance
  • Maternity and parental leave
  • PTO
  • Health benefits
  • Compensation package