Klaviyo·Software Engineer

Klaviyo Software Engineer interview experience

Got offer

Medium

Positive

United StatesPosted Apr 2026 · Candidate report, summarized by Dataford

After a recruiter call, I followed up with the assessment and then moved quickly into interviews that felt very practical and grounded in how you actually build and operate software.

I did CodeSignal as the online OA, and it had multiple stages; I didn’t complete everything, but I got far enough to continue almost through three of them. The hiring manager conversation after that focused on both a project discussion and behavioral prompts, with a “tell me about a time” style of approach.

The virtual onsite ended up being four rounds spread over two days. There were two coding-style interviews, one involving fixing broken code in an existing web app where I had to navigate bad documentation while adding a feature, and another interview that depended on level. Since I was

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