Senior Data Scientist, Operations Research 
@ Walmart

Sunnyvale, California, United States
On Site
Full Time
Posted 4 days ago

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Job Details

Senior Data Scientist, Operations Research

This role at Walmart is a result of an Application for Permanent Alien Labor Certification. It is located at 1375 Crossman Avenue, Sunnyvale, CA 94089.

Key Responsibilities

  • Develop scalable data science solutions for supply chain models.
  • Automate pipelines, design database structures, and streamline data flows using cloud services.
  • Utilize advanced statistical analysis, machine learning, simulation, and optimization techniques.
  • Create and maintain visualizations to communicate complex findings.
  • Collaborate cross-functionally with operations, product, finance, and engineering teams.
  • Develop intelligent network transformation solutions including capital allocation and flow optimization.
  • Design interactive web applications enabling self-service for stakeholders.
  • Apply causal inference methods; design and evaluate tests such as A/B testing and synthetic controls.
  • Utilize geospatial systems to support last mile optimization and build dynamic visualizations.

Required Education & Experience

Master’s degree in a related field or a Bachelor’s degree with 2 years experience in analytics or related field.

Required Skills

  • Database design using SQL, Python, and GCP.
  • Machine learning model development in Python and Scikit-learn.
  • Optimization modeling using CPlex.
  • Statistical analysis with Python and linear regression.
  • Data visualization using Seaborn, Folium, Tableau, Kepler, and Leafmap.
  • Simulation execution and REST API deployment.
  • Web application development using Django and StreamLit.
  • Causal inference experimental design.
  • Geospatial analysis using uber H3.

Compensation & Benefits

Salary ranges from $144,075 to $234,000 per year with additional performance incentives, equity, and regional pay considerations. Walmart offers robust benefits including health, financial, PTO, and education assistance.

Key skills/competency

  • Data Science
  • Operations Research
  • Machine Learning
  • Statistical Analysis
  • Optimization
  • Database Design
  • Web Development
  • Geospatial Analysis
  • Causal Inference
  • Visualization
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How to Get Hired at Walmart

🎯 Tips for Getting Hired

  • Research Walmart's culture: Study their mission, values, and news.
  • Customize your resume: Highlight relevant data science projects.
  • Emphasize technical skills: Focus on Python, SQL, and cloud expertise.
  • Prepare for technical interviews: Practice machine learning and optimization problems.
  • Review case studies: Understand supply chain and operational research challenges.

📝 Interview Preparation Advice

Technical Preparation

Review Python and SQL best practices.
Practice machine learning model development.
Study cloud architecture on GCP.
Familiarize with optimization using CPlex.

Behavioral Questions

Describe collaboration with cross-functional teams.
Explain a challenging project and resolution.
Discuss managing multiple deadlines.
Share problem-solving experiences in analytics.

Frequently Asked Questions