Capital One·Software Engineer

Capital One Software Engineer interview experience

Got offer

Hard

Positive

United StatesPosted Apr 2026 · Candidate report, summarized by Dataford

After passing the initial online assessment, I was scheduled for a power day, which was basically a full technical day in one block.

Before it, I had already taken a CodeSignal screen, and during that power day I went through three different interview types: technical coding, system design (or architecture focused), and behavioral.

The day itself felt structured and the interviewers were friendly and engaging, so even when I got a bit stuck, they were willing to help me find my way. The coding round and the assessment beforehand had the same general feel as practice problems I’d done, centered more around LeetCode-style medium territory. For system design, I focused on laying out both functional pieces and the

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