Costar Group·Software Engineer

Costar Group Software Engineer interview experience

No offer

Medium

Negative

United KingdomPosted Jan 2026 · Candidate report, summarized by Dataford

What stood out most was the way the process was communicated.

After I applied, instead of scheduling a proper call via email, the recruiter reached out with an unsolicited WhatsApp call without any prior notice. It was intrusive and it instantly made the whole process feel unprofessional.

When I tried to coordinate a time to talk, it dragged out with long delays and vague timing. I never got a clearly agreed slot—just the sense of “we’ll figure it out as we go.” That lack of structure created a lot of friction, and I kept feeling like I was waiting without real momentum.

Weeks passed without meaningful follow-up. Eventually, I heard the status

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