Walmart·Software Engineer·Online Assessment (OA)
Apr 2026
Took a timed online coding assessment for a company I really need to land, and the results were rough. The environment is barebones with no autocomplete, which after nearly two decades of working in real IDEs feels almost deliberately cruel. Four days out from the actual test and I'm not feeling great about it.
- Solve the MissingInteger problem: given an array of integers, find the smallest positive integer that does not appear in the array.
“Passed all the examples, which honestly lulled me into thinking I was fine.” The rest of the author's notes on Software Engineer interview at Walmart, Online Assessment (OA) round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.
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