Walmart·Software Engineer

Walmart Software Engineer interview experience

3Posted Feb 2026 · Candidate report, summarized by Dataford

My Walmart SDE-3 interview experience started with a pretty classic DSA first round.

I was asked two problems: one was Next Greater Element II, and the other was a grid-style challenge similar to Walls and Gates / Rotting Oranges, basically the kind of BFS-driven setup where you reason about distances across a matrix.

The round felt direct and structured—very focused on core data structures and algorithms. I spent most of my time thinking through the pattern needed for the grid problem and then mapping out the logic for the monotonic-stack style approach behind Next Greater Element II.

Because the questions were so representative of standard LeetCode-style patterns, the

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