Costar Group·Software Engineer

Costar Group Software Engineer interview experience

Got offer

Easy

Negative

United StatesPosted Apr 2026 · Candidate report, summarized by Dataford

After I applied, I started with a recruiter screening and then, about a week later, I went into a super day.

The day itself was a tight sequence of three to four interviews back to back, and the whole vibe felt like they wanted to see both how I thought and how I carried myself.

Some of the questions were clearly behavioral—how I worked as an individual versus as part of a team, and prompts around my strengths and weaknesses. The technical questions were more about whether I truly had mastery of the concepts that showed up on my resume and the projects I’d actually contributed to, rather than anything totally disconnected. I felt like they were trying to map what I’d written to what I could explain

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