Reference: R-2604598Posted: 2026-08-14Location: SUNNYVALE, CA, United StatesSalary: $117000 - $234000/yearType: Full time / Regular/PermanentCompany: WalmartBusiness Segment: Home OfficeRole summary: The Senior Data Scientist leads the development of advanced machine learning solutions that power Search relevance, Personalization, and customer discovery experiences. This role independently drives complex modeling initiatives, partners across cross-functional teams, and delivers production-scale AI solutions that improve customer experience and business performance. About the team: The Applied AI Search & Personalization team develops scalable AI systems that transform how millions of customers discover products. We build intelligent retrieval, ranking, recommendation, and personalization models while leveraging Generative AI to create next-generation shopping experiences. What you'll do:Design and deploy machine learning models for Search, Ranking, Recommendations, and Personalization.Apply deep learning, NLP, and Generative AI techniques to improve customer discovery.Lead experimentation using offline metrics and online A/B testing.Optimize model performance, scalability, and inference efficiency.Collaborate with Product Managers, Engineers, and Applied Scientists to define AI roadmaps.Mentor junior data scientists and contribute to engineering and modeling best practices.Drive production monitoring and continuous model improvements.Communicate technical recommendations to leadership and business stakeholders.What you'll bring:Strong experience building production machine learning systems.Expertise in supervised learning, deep learning, feature engineering, and model optimization.Experience with Search, Recommendation Systems, Personalization, NLP, or Ranking is preferred.Strong Python, SQL, and distributed data processing experience.Familiarity with cloud-based ML platforms and MLOps.Experience designing experiments and interpreting business impact.Ability to independently lead complex technical initiatives. 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 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 $117,000.00 - $234,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include : - StockMinimum qualifications["Option 1- Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' experience in an analytics related field. Option 2- Master’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 years' experience in an analytics related field. Option 3 - 5 years' experience in an analytics or related field."]Preferred qualifications["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.", "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", "Data science, machine learning, optimization models", "Using open source frameworks (for example, scikit learn, tensorflow, torch)"]
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