Costar Group·Frontend Engineer

Costar Group Frontend Engineer interview experience

Got offer

Medium

Positive

Washington, DCPosted May 2019 · Candidate report, summarized by Dataford

I went through a fairly straightforward process with a quick HR conversation first, followed by a technical phone screen that lasted about 45 minutes.

The technical portion was centered on how well I understood JavaScript and the React ecosystem, including Redux—those topics came up directly and it felt like they were testing whether I could think clearly about how the pieces fit together.

About a week later, I went onsite for a single longer interview block that ran roughly three hours. The time on-site moved quickly, and I remember feeling like the conversations stayed grounded in practical front-end development rather than abstract trivia. They even brought me out for lunch afterward, which made the whole day feel a bit more human and

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