Citadel Securities Software Engineer interview experience

No offer

Medium

Positive

New York, NYPosted Sep 2025 · Candidate report, summarized by Dataford

I did a coding assessment first, then moved into an interview, and later into a long interview session with three back-to-back interviews.

Most of what I faced was medium LeetCode-style, and while I didn’t retain the exact problem statements, the difficulty level stayed in that comfortable-but-not-trivial zone.

Something that stood out was the way they seemed to rotate between different tracks—going back and forth between security and a general questions set for some reason. That pacing made the long interview feel like multiple mini-stages rather than one continuous coding session.

I didn’t receive an offer. The whole sequence was intense mostly because it was stretched across several quick interviews, and the switching focus

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