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      CoStar Group

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      Software Engineer Interview

      12 July 2021
      Anonymous interview candidate
      Suwanee, GA
      Declined offer
      Positive experience
      Average interview

      Application

      I applied through a recruiter. The process took 1+ week. I interviewed at CoStar Group (Suwanee, GA) in June 2021

      Interview

      Interview process was very streamlined and full of from what I could tell really smart and kind people. First round (30 mins) talked about .NET specific topics as well as background and experience. Second round (2 hours) 3 round interview. 3rd round was with the department head and another executive. This round was a culture fit. They don’t try to grill you. They really make you feel comfortable by allowing you to talk about your experience first and then going into the technical questions.

      Interview questions [2]

      Question 1

      What are the advantages and disadvantages of stored procedures?
      Answer question

      Question 2

      What is an example of an extension method in .NET?
      Answer question
      3

      Other Software Engineer interview reviews for CoStar Group

      Software Developer Interview

      18 June 2026
      Anonymous interview candidate
      Arlington, VA
      No offer
      Neutral experience
      Average interview

      Application

      I interviewed at CoStar Group (Arlington, VA)

      Interview

      3 round, I didn’t make to the second round. The first round is with engineering manager, the second should be technical and then onsite. HR responds fast, the meeting schedule is smooth.

      Interview questions [1]

      Question 1

      You background and previous work. JSON file related JavaScript
      Answer question

      Software Engineer Interview

      8 Apr 2026
      Anonymous interview candidate
      Declined offer
      Negative experience
      Easy interview

      Application

      I interviewed at CoStar Group

      Interview

      Recruiter screening, super day consisting of 3-4 interviews. Questions range from behavioral (how you work as an individual vs team/strengths and weaknesses) and technical. For technical questions looking at mastery of concepts you have on resume and projects you have contributed to.

      Software Engineer Interview

      3 Dec 2025
      Anonymous interview candidate
      No offer
      Positive experience
      Easy interview

      Application

      I interviewed at CoStar Group

      Interview

      Relaxed, mostly focused on technologies and past experiences mentioned on your resume. There was a recruiter call, a hiring manager interview, and an onsite/power day. Everyone was nice and helpful throughout the process!

      Interview questions [1]

      Question 1

      Tell me about x experience?
      Answer question