ByteDance·Software Engineer

ByteDance Software Engineer interview experience

Medium

Neutral

Candidate report, summarized by Dataford

My interview centered on a mix of systems thinking and harder programming challenges, and it started with quick context from me.

I was asked about Linux and how I’d triage, investigate, and mitigate alerts for slow web services, which made it feel closer to production work than pure algorithm drills. There was also a coding problem that involved a grid and a list of squares to determine whether all squares could be cut from the grid.

In the programming round that followed, I solved two HackerRank-style challenges on a shared video. The first was about finding the longest substring with at most K distinct characters. The second was much heavier: a BFS 3D DP variant where I had to navigate a grid with costs, blocked

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