Position Summary...

What you'll do...

Role summary:
As a Principal Data Scientist at Walmart, you will lead the development and deployment of advanced analytical models and machine learning solutions that drive strategic business decisions. This role requires deep expertise in statistical analysis, coding, and data visualization to translate complex data into actionable insights. You will collaborate across functions to identify business challenges, design innovative solutions, and mentor team members. Your work will directly impact operational efficiency and customer experience by leveraging cutting-edge technologies and data-driven strategies within a dynamic, results-oriented environment.
About the team:
The Applied AI Search & Personalization team develops advanced machine learning solutions to enhance product discovery and deliver tailored shopping experiences. Focusing on large-scale systems such as query understanding, retrieval, ranking, recommendations, personalization, and Generative AI, the team combines innovative AI research with strong engineering expertise. Members collaborate globally to design and deploy scalable models that support Walmart’s mission to provide efficient, customized services. Their work drives measurable improvements in customer engagement, conversion rates, and overall satisfaction, contributing significantly to business growth and innovation.
What you'll do:

• Develop, test, and deploy advanced data science solutions using programming languages such as Python and SQL.
• Analyze complex business problems to design effective technology-driven models and strategies.
• Identify and validate appropriate data sources, ensuring data quality and relevance for modeling.
• Lead the creation and evaluation of machine learning and statistical models to generate actionable insights.
• Collaborate with stakeholders to translate business requirements into data-driven initiatives aligned with organizational goals.
• Mentor team members on analytical techniques, model development, and data visualization best practices.
• Monitor model performance and implement continuous improvements to maintain accuracy and scalability.

What you'll bring:

• Extensive experience in machine learning, deep learning, generative AI and advanced statistical analysis to develop and deploy scalable data science solutions.
• Proficiency in programming languages including Python, SQL, and Java, with strong coding and testing capabilities.
• Expertise in data source identification, data quality assessment, and data strategy aligned with business objectives.
• Ability to design and validate analytical models using techniques such as Bayesian inference, neural networks, and hypothesis testing.
• Skilled in data visualization tools and storytelling to communicate complex insights effectively to stakeholders.
• Proven leadership in mentoring teams, driving project execution, and fostering continuous improvement.

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 https://one.walmart.com/notices. 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 subject to change and may be subject to a specific plan or program terms.
For information about benefits and eligibility, see One.Walmart.
The annual salary range for this position is $143,000.00 - $286,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include :
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Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1: Bachelors degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 5 years' experience in an analytics related field. Option 2: Masters 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

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

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), We value candidates with a 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. The ideal candidate would have 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.

Primary Location...

815 Eleventh Ave, Sunnyvale, CA 94089-4731, United States of AmericaWalmart and its subsidiaries are committed to maintaining a drug-free workplace and has 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.