Principal, Data Scientist

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Join Walmart as a Principal Data Scientist to lead the development and deployment of advanced analytical models that drive strategic business decisions. This role requires expertise in machine learning, statistical analysis, and coding to design scalable solutions addressing complex business challenges. The position involves collaborating across functions to translate data insights into actionable strategies, mentoring team members, and ensuring high-quality data sourcing and validation.

The ideal candidate will apply innovative techniques to enhance data‑driven decision‑making and contribute to Walmart’s continued growth and operational excellence.

• Develop and implement advanced machine learning models to address complex business challenges and drive data‑informed decisions.
• Lead exploratory data analysis, feature engineering, and statistical modeling to extract actionable insights from data sources.
• Collaborate with cross‑functional teams to translate business requirements into scalable data science solutions aligned with strategic objectives.
• Oversee model validation, tuning, deployment, and lifecycle management to ensure accuracy, robustness, and sustainability.
• Mentor and guide team members on analytical techniques, coding best practices, and data visualization to enhance overall team capability.
• Communicate findings effectively to stakeholders, supporting data‑driven decision‑making and continuous improvement initiatives.

• Extensive experience in developing and deploying machine learning models using Python and related frameworks.
• Proficiency in advanced statistical analysis and data visualization techniques to derive actionable business insights.
• Strong knowledge of data sourcing, quality assessment, and management within complex business environments.
• Expertise in model validation, tuning, and lifecycle management to ensure robust and scalable solutions.
• Ability to translate business requirements into technical strategies and lead cross‑functional teams effectively.
• Familiarity with cloud platforms such as AWS Sage Maker for scalable model development and deployment.
• Demonstrated leadership in mentoring associates and driving continuous improvement in data science practices.

$/yr - $/yr

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.

• Option 1:
  Bachelor's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 5 years’ experience in an analytics related field.
• Option 2:
  Master's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 3 years’ experience in an analytics related field.
• Option 3: 7 years’ experience in an analytics or related field.

• Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics, Publications or active peer reviewer in related journals or conference.
• Successful completion of one or more assessments in Python, Spark, Scala, or R.
• Using open source frameworks (for example, scikit‑learn, tensor flow, torch).
• 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.

Walmart and its subsidiaries are committed to maintaining a drug‑free workplace and have 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.