ByteDance·Software Engineer

ByteDance Software Engineer interview experience

No offer

Medium

Negative

Candidate report, summarized by Dataford

My first interview experience started with a recruiter outreach and then moved into coding, but what threw me off was how much it drifted toward specific gaps in my algorithm recall.

After a LinkedIn HR contact, I was told it would focus on LeetCode-style problems, but the interviewer spent roughly 20 minutes discussing my resume first—especially the hardest project I’d worked on, with lots of follow-up about edge cases and detailed choices.

Then I got a tree-based variant of a known prefix-sum challenge, where the tree structure was changed from binary to N-ary. I tried to combine DFS with a window-style idea, and I could feel myself losing ground as the interviewer pushed for an optimal linear-time approach. I struggled to recall the prefix sum concept in the moment,

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