(USA) Principal, Data Scientist
About The Position
The Principal Data Scientist will lead the development and deployment of advanced analytical models and machine learning solutions to address complex business challenges. This role requires expertise in coding, statistical analysis, and data visualization to translate business needs into actionable insights. The position involves mentoring team members, collaborating across functions, and driving innovation through scalable data strategies. The successful candidate will ensure model accuracy, maintain data quality, and support continuous improvement initiatives that enhance decision-making and operational efficiency within the organization. The team focuses on data governance and preparing data for AI applications using scalable, cloud-native platforms and model-driven design. It oversees the full software development lifecycle, emphasizing high availability and reliability. Collaborating across functions, the team defines clear problems and delivers solutions aligned with business goals. Committed to technical excellence, it drives continuous improvement through innovative tools, architectural standards, and knowledge sharing. This group plays a vital role in advancing Walmart’s engineering vision and evolving platform capabilities to effectively support AI and machine learning integration.
Requirements
- Extensive experience in developing and deploying machine learning models using Python and related programming languages.
- Proficiency in statistical analysis, advanced modeling techniques, and exploratory data analysis to solve complex business problems.
- Strong knowledge of data visualization tools and best practices to communicate insights effectively to stakeholders.
- Expertise in data source identification, data quality assessment, and applying data governance principles.
- Ability to lead and mentor teams in analytical modeling, model validation, and continuous model improvement.
- Familiarity with cloud platforms such as AWS SageMaker for scalable model deployment and management.
- Bachelors degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 5 years' experience in an analytics related field.
- Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 3 years' experience in an analytics related field.
- 7 years' experience in an analytics or related field
Nice To Haves
- 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, tensorflow, torch)
- 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
- Develop, test, and deploy advanced data science solutions using appropriate programming languages and tools.
- Analyze complex business problems to identify root causes and recommend effective, data-driven strategies.
- Identify and validate suitable data sources, ensuring data quality and relevance for modeling and analysis.
- Design, build, and validate predictive models leveraging machine learning and statistical techniques.
- Collaborate with stakeholders to translate business requirements into actionable data science initiatives.
- Mentor team members on analytical methods, modeling approaches, and data visualization best practices.
- Monitor model performance and implement lifecycle management to ensure sustained accuracy and impact.
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
Principal
