(USA) Data Scientist III

Position Summary...

What you'll do...

Role summary:
The Data Scientist develops machine learning models and data-driven solutions that improve Search, Personalization, and customer discovery experiences. Working closely with senior scientists and engineers, this role applies statistical analysis, machine learning, and experimentation to solve business problems, build production-ready models, and improve customer engagement across Walmart's global eCommerce platforms.
About the team:
The Applied AI Search & Personalization team builds intelligent shopping experiences that help customers quickly discover relevant products through advanced Search, Ranking, Recommendations, and Personalization technologies. We leverage machine learning, deep learning, and Generative AI to develop scalable solutions that improve customer satisfaction and business outcomes across Walmart markets.
What you'll do:

• Build and deploy machine learning models supporting Search and Personalization use cases.
• Analyze customer behavior, search interactions, and product data to generate actionable insights.
• Develop features and datasets for model training and evaluation.
• Conduct offline experiments and support online A/B testing.
• Partner with Product, Engineering, and Data teams to implement scalable AI solutions.
• Monitor production model performance and identify opportunities for improvement.
• Document experiments and communicate findings to technical and business stakeholders.
• Continuously learn and apply emerging AI and machine learning techniques.

What you'll bring:

• Experience with machine learning, statistics, and predictive modeling.
• Strong programming skills in Python and SQL.
• Familiarity with ML libraries such as TensorFlow, PyTorch, Scikit-learn, or XGBoost.
• Understanding of experimentation methodologies and model evaluation.
• Strong analytical and problem-solving skills.
• Effective communication and collaboration abilities.
• Experience working with large datasets in cloud environments is preferred.

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 https://one.walmart.com/notices. 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 subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart.
The annual salary range for this position is $117,000.00 - $234,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
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Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1: Bachelors degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 2 years' experience in an analytics or related field. Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field. Option 3: 4 years' experience in an analytics or related field.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Data science, machine learning, optimization models, Master’s degree in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics, Successful completion of one or more assessments in Python, Spark, Scala, or R, Using open source frameworks (for example, scikit learn, tensorflow, torch), We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Primary Location...

1395 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.