Costar Group·Software Engineer

Costar Group Software Engineer interview experience

No offer

Medium

Positive

United StatesPosted Dec 2025 · Candidate report, summarized by Dataford

My screening started with a recruiter call, and then I moved into a separate technical round that focused heavily on my resume.

The technical part was basically a walkthrough of my past work and what I’d written down, and they also asked me to think through an improvement to one of my projects based on a hypothetical scenario.

Even though it was labeled technical, the questions felt like they were less about solving a fresh problem from scratch and more about reasoning and applying what I’d already done. The overall difficulty came across as average—enough to require real context from my experience, but not so intense that it felt like a coding gate. I left the round feeling that they were trying to understand how

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