(USA) Principal, Data Scientist

Reference: R-2639306Posted: 2026-09-16Location: SAN BRUNO, CA, United States; SUNNYVALE, CASalary: $143000 - $286000/yearType: Full time / Regular/PermanentCompany: WalmartBusiness Segment: Home OfficeAnalyze large and complex datasets to identify trends, patterns and insights to measure performance against competition and informResearch, create and implement advanced statistical models and cutting-edge machine learning algorithms on fast-moving structured and unstructured data to support decision making Build scalable, AI- and LLM-powered data products that deliver meaningful impact for our business partners and customers at unmatched scale Communicate findings and insights to both technical and non-technical stakeholders through clear and concise reports, visualizations and presentations to gain alignment and drive business actions Guide and mentor junior data scientist team members What you'll bring... Masters in Data Science, Computer Science, Statistics, or related analytical discipline and 4+ years of post-graduate relevant work experience or Ph.D with 2+ years of post-graduate relevant work experience Strong proficiency in Python and SQL Strong data engineering foundation, including modular and maintainable code, pipeline architecture, and performance optimization You have hands-on experience building and scaling AI/LLM-powered agents for workflow automation and information extraction, with expertise in evaluating and governing outputs through guardrails, accuracy validation, and human-in-the-loop review 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 $143,000.00 - $286,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include : - StockSummaryRole summary: The Principal Data Scientist, Market Intelligence, is a high-impact role at the intersection of strategy, advanced analytics, and AI innovation. As a key member of our Market & Competitive Intelligence team, you will shape how Walmart understands the competitive landscape, uncovers growth opportunities, and translates data into enterprise-level decisions. With direct exposure to executive leadership, you will pioneer scalable data products that influence critical business decisions while solving some of retail's most challenging and impactful problems. About the team: The Market and Competitive Intelligence team drives impactful work at the intersection of strategy, advanced analytics, and AI innovation. This team shapes Walmart’s understanding of the competitive landscape, identifies growth opportunities, and translates data into enterprise-level decisions. With direct engagement with executive leadership, the team pioneers scalable data products that influence critical business outcomes. Analyze large and complex datasets to identify trends, patterns, and insights to measure performance against competition and inform business growth opportunities