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      CoStar Group

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      Technology Intern Interview

      28 Oct 2025
      Anonymous interview candidate
      Arlington, VA

      Other Technology Intern interview reviews for CoStar Group

      Technology Intern Interview

      2 Dec 2025
      Anonymous employee
      Arlington, VA
      Accepted offer
      Declined offer
      Positive experience
      Easy interview

      Application

      I applied through an employee referral. The process took 4 weeks. I interviewed at CoStar Group (Arlington, VA)

      Interview

      1 phone screen with recruiter. 1 interview with engineers, mostly resume grill. and then 1 on-site with 2 back-to-back interviews. All interviews were mostly resume grill- tell me about this project/experience. Be ready to go into lots of detail about each bullet point in your resume. The on-site was fun, everyone is really friendly and wants to see you succeed. On-site was the only technically challenging part, they will ask for specifics on REST and OOP principles and other things that is related to your projects & experiences.

      Interview questions [1]

      Question 1

      Describe OOP, why + when it is useful. Give examples of each OOP pillar.
      Answer question
      1
      Positive experience
      Average interview

      Application

      I applied through university. The process took 5 weeks. I interviewed at CoStar Group (Arlington, VA) in Oct 2025

      Interview

      2 rounds: First Round is a Video/Zoom/Teams Screen with a Manager (They'll ask you questions about your resume, but it might be a vibe check, depending heavily on the Manager), and the second round is a Power Day. Also, for the first round, make sure you stand out. The Second Round is a Power Day interview. It is in person and 2 days (the first day is a casual networking-type event where you can meet some of your interviewers in a more casual setting, especially since you know who will be interviewing you ahead of time). The Second Day is the actual interview: two panels with two managers each (for a total of 4 managers, but one might bring along a SWE).

      Interview questions [1]

      Question 1

      How do you test your code? What is ___(subject) in ___ (programming language).
      Answer question

      Technology Intern Interview

      11 Apr 2025
      Anonymous interview candidate
      Irvine, CA
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at CoStar Group (Irvine, CA)

      Interview

      super well organized and fun! all of my interviewers were very nice. i had a phone interview, interview with manager, in-person interview with another manager. very rare to have a company fly and offer hotels for their interviewees, it was a great experience

      Interview questions [1]

      Question 1

      Tell me about a project that you are working on that you aren’t doing at school
      Answer question