(USA) Data Scientist III
About The Position
Walmart is seeking a Data Scientist III to advance data-driven decision-making by applying advanced analytical modeling, statistical methods, and machine learning techniques. This role involves developing, validating, and deploying scalable models that unlock business value from complex data sets. The successful candidate will collaborate across functions to translate business challenges into data solutions, ensuring data quality and governance standards are met. They will also mentor junior team members and support continuous improvement initiatives, contributing to Walmart’s commitment to operational excellence and innovation through data insights. The Applied AI team develops advanced Search and Personalization solutions to enhance the shopping experience by making it more relevant and intuitive. Leveraging machine learning, deep learning, and generative AI, the team builds scalable systems for efficient product discovery. Team members collaborate closely, applying expertise in algorithms and solution design to deliver impactful results aligned with business goals. The team maintains a professional environment focused on technical excellence, continuous improvement, and customer-centric innovation, driving meaningful advancements in data science and artificial intelligence.
Requirements
- Proven expertise in data management, data quality standards, and governance to ensure reliable and scalable data ecosystems.
- Strong proficiency in SQL and programming languages such as Python or R for advanced data analysis and model development.
- Experience applying statistical methods, machine learning algorithms, and predictive modeling techniques to solve complex business problems.
- Ability to conduct exploratory data analysis, feature engineering, and model validation using appropriate optimization and testing methods.
- Familiarity with big data analytics platforms and tools, including AWS SageMaker, to support model deployment and scalability.
- Solid understanding of business requirements and domain knowledge to translate data insights into actionable recommendations.
Nice To Haves
- 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)
- 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.
- 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.
Responsibilities
- Apply advanced statistical and machine learning techniques to develop predictive models and extract actionable insights from complex data sets.
- Conduct exploratory data analysis, feature selection, and hypothesis testing to support data-driven decision-making.
- Collaborate with cross-functional teams to translate business requirements into analytical solutions and scalable model deployments.
- Ensure data quality and governance standards are maintained throughout the data lifecycle.
- Develop, test, and optimize code using programming languages such as SQL and Python to support analytical workflows.
- Communicate findings through effective data visualization and reporting to influence business strategies.
- Mentor junior team members on modeling and analytical best practices.
Benefits
- Competitive pay
- Performance-based bonus awards
- Medical coverage
- Vision coverage
- Dental coverage
- 401(k)
- Stock purchase
- Company-paid life insurance
- PTO (including sick leave)
- Parental leave
- Family care leave
- Bereavement leave
- Jury duty leave
- Voting leave
- Short-term disability
- Long-term disability
- Company discounts
- Military Leave Pay
- Adoption expense reimbursement
- Surrogacy expense reimbursement
- PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes
- Live Better U (Walmart-paid education benefit program for full-time and part-time associates)
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
