A detailed walkthrough of Walmart's Data Engineer III interview process, covering four rounds including technical SQL and DSA questions, Spark internals discussion, project deep-dives, and behavioral interviews. The candidate shares specific questions asked, preparation resources like LeetCode and StratasScratch, and optimization techniques that were tested. Key focus areas included SQL window functions, Spark memory management, data skew handling, and using the STAR method for behavioral questions.
Table of contents
My Walmart Data Engineer III Interview Experience: Rounds, Questions & TipsHow I Got the OpportunityWalmart Interview roundsRound 2: Sql optimization+ Spark InternalsRound 3: Hiring Manager RoundRound 4: Functional Manager RoundFinal OutcomeSort: