Amazon·Software Engineer·Online Assessment (OA)
Jun 2026
Took the Amazon SDE II OA after casually applying while grinding practice problems. It had four parts: a DSA coding question, a repo/code comprehension task, a system design section, and a work style questionnaire. The coding question threw me off because it didn't feel like standard leetcode, and the repo question wrecked me despite feeling confident after the practice test.
- Solve a DSA coding problem in the style of the Amazon OA (not a standard leetcode-style problem).
- Given an unfamiliar codebase, read and modify the code to implement specific logic (repo-style question).
- System design question as part of the OA.
“Blanked on it.” The rest of the author's notes on Software Engineer interview at Amazon, 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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