(USA) Principal, Data Scientist at Walmart
About the role
Position Summary What you'll do Role summary: The Principal Data Scientist will lead the design, development, and deployment of AI-powered Search and Personalization systems serving hundreds of millions of customers across Walmart's global eCommerce platforms. This role demands deep expertise in information retrieval, ranking, recommendation systems, and Generative AI applied at production scale. You will define technical strategy, shape ML architecture, and partner with Product and Engineering…
Interview process at Walmart
General interview process (this company's specific loop isn't published - reach out if you have insider info).
- Recruiter phone screen - typically 20-40 min
- Technical screen - 1 coding problem or take-home; format varies by company
- Onsite / virtual loop - typically 4-6 rounds over 2-3 weeks; exact split of coding, systems design, and behavioral varies by role and location
Platforms used: unknown — MiPrep tested compatible with major platforms
How to prepare
MiPrep helps you rehearse the specific cadence and question types Walmart interviewers score on. Upload your resume and this job description; MiPrep generates a rehearsed answer set in your voice from your own projects.