Senior, Data Scientist

Join Walmart as a Senior Data Scientist and leverage your expertise in data science, machine learning, and advanced analytics to drive impactful business solutions. This role involves identifying and sourcing relevant data, developing and validating analytical models, and deploying scalable solutions to support strategic decision-making. You will collaborate across functions to translate complex business challenges into data-driven insights, utilizing programming and visualization tools to communicate findings effectively.

Your contributions will enhance data quality, model performance, and business outcomes within a dynamic and evolving data ecosystem.

The People Technology team leads the implementation of advanced people-focused technology across Walmart, impacting millions worldwide. As part of Walmart Global Tech’s Enterprise Business Services, the team delivers innovative solutions for Finance, People, and Associate Digital Experience. The People.

AI team specializes in developing AI and machine learning applications, including intelligent conversational interfaces, to enhance associate productivity. Leveraging expertise in data science, machine learning, and Python programming, the team creates and deploys scalable AI/ML solutions that support Walmart associates globally, driving continuous improvement and operational excellence.

Identify and source relevant data from multiple business domains and databases to support analytical initiatives.

Conduct initial data quality assessments to ensure accuracy and reliability of datasets.

Develop, test, and deploy advanced analytical models using programming languages such as Python and SQL.

Evaluate model performance through rigorous validation techniques and optimize for scalability and sustainability.

Create clear and insightful data visualizations to communicate findings effectively to stakeholders.

Translate complex business problems into data-driven solutions aligned with organizational strategy.

Mentor junior team members on modeling techniques and best practices.

Extensive experience in data science and machine learning, with proficiency in Python programming.

Strong knowledge of data source identification, including SQL and No

SQL databases, and data quality assessment.

Expertise in analytical modeling, model validation, tuning, and deployment for scalable production environments.

Proficiency in advanced data visualization techniques using tools such as Matplotlib, Plotly, and Tableau.

Ability to translate complex business requirements into data-driven solutions aligned with strategic objectives.

Experience mentoring and guiding junior associates in analytics and modeling best practices.

Solid understanding of business domains and the ability to communicate insights effectively to stakeholders.

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

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…