Senior, Data Scientist
About The Position
As a Senior Data Scientist at Walmart, you will leverage advanced analytical techniques and machine learning to transform complex data into actionable business insights. You will identify and source relevant data, develop and validate predictive models, and support scalable deployment to drive strategic decisions. Collaborating across functions, you will translate business challenges into data-driven solutions while mentoring team members. Your expertise in statistical methods, programming, and data visualization will enable clear communication of findings to stakeholders, supporting Walmart’s commitment to innovation and operational excellence. The Marketplace Payments & Financial Services team enhances the Marketplace ecosystem by enabling reliable seller payouts, driving monetization, and expanding financial products while managing financial and compliance risks. The Data Science function develops advanced models and AI/ML capabilities to strengthen the intelligence layer within Payments & Financial Services. This team operates in a fast-paced, high-impact environment focused on innovation and growth. Members collaborate to deliver data-driven solutions that support business objectives and accelerate marketplace success, leveraging expertise in data science, machine learning, and predictive modeling to create scalable, effective financial services.
Requirements
- Extensive experience in data science, machine learning, and predictive modeling using Python and related programming languages.
- Proficiency in statistical methods and advanced analytical modeling techniques, including model assessment, validation, and tuning.
- Strong knowledge of data visualization tools and best practices to effectively communicate complex data insights.
- Understanding of data ecosystems, data quality standards, and data governance principles.
- Ability to translate business requirements into data-driven solutions and provide actionable recommendations.
- Experience deploying and scaling analytical models in production environments.
- Excellent problem-solving skills with a focus on business impact and data strategy alignment.
- Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' experience in an analytics related field.
- Master’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 years' experience in an analytics related field.
- 5 years' experience in an analytics or related field.
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
- Identify and source relevant data from multiple business domains, ensuring data quality and suitability for analysis.
- Develop, test, and deploy advanced analytical models using programming languages such as Python and SQL.
- Perform rigorous model validation and tuning to ensure accuracy, robustness, and scalability in production environments.
- Translate complex business problems into data-driven solutions by applying statistical methods and machine learning techniques.
- Create clear and impactful data visualizations to communicate insights effectively to stakeholders.
- Mentor junior team members on analytical methods and best practices.
- Collaborate cross-functionally to align data strategies with business objectives.
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 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.)
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What This Job Offers
Job Type
Full-time
Career Level
Senior
