Nextdoor·Software Engineer

Nextdoor Software Engineer interview experience

No offer

Medium

Positive

United StatesPosted Sep 2025 · Candidate report, summarized by Dataford

My recruiter set me up with a technical screen that was two back-to-back one-hour interviews, and there was no separate behavioral round.

The first problem started extremely basic with a condition that gradually added constraints, and I ended up at a point where my solution handled the earlier cases but couldn’t survive the final constraint. The last stretch of that first problem started to feel like it was turning into something much more complex.

In the second round, I tackled a question about storing post comments in a way that preserved parent/child relationships so I could traverse them and print a hierarchical list. The direction was very practical—think about mapping objects and references, then using DFS to produce the

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