Costar Group·Software Engineer

Costar Group Software Engineer interview experience

Got offer

Medium

Positive

Irvine, CAPosted Nov 2025 · Candidate report, summarized by Dataford

My interview journey combined behavioral and technical questions, and I believe it ran through three rounds total.

I got invited to a power day, and that day ended up being very behavioral-focused.

They spent a lot of time on my resume, going through my experiences in detail and digging into what I’d actually done. It wasn’t just a quick skim—it felt like they were trying to identify specifics in each role and push on the story behind my claims. The technical aspect was present earlier, but the power day leaned into communication and how I presented my experiences. Overall it felt average in difficulty, but the resume grilling made it feel like I needed to be very precise about the details I was

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