Walmart Global Tech — Engineering Culture at Retail's Largest Tech Org

Walmart Global Tech is one of the largest in-house technology organizations in retail, running a cloud-native platform (WCNP) that manages 545k+ pods on 93k+ nodes, the Element ML platform, the Wallaby retail-specific LLM, and a sprawling microservices architecture. This module covers what engineers actually build at Walmart, the tech stack, how engineering culture looks day-to-day, and what technical interviewers probe for.