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      CoStar Group

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      Senior Software Developer Interview

      6 Nov 2016
      Anonymous interview candidate
      Washington, DC
      No offer
      Negative experience
      Difficult interview

      Application

      I applied through a recruiter. The process took 1 week. I interviewed at CoStar Group (Washington, DC) in Sept 2016

      Interview

      I only had the phone screening. The phone screening questions were .NET and responsive front-end related. They were rapid fire. The asked me about 30 questions in 15 minutes. They continually asked me a new question while I was answering a previous question. I would get 2 words out and zip, the next question came. They felt like if they got the answer they liked then they just moved on to the next question. Not really the best way to communicate, in my opinion. I answered over 90% of the questions correctly. They felt like a couple of my JavaScript answers weren't strong enough so they elected not to interview me in person. I found that bazaar considering I answered almost every question correctly. What, does Costar think they are the best company in the world?!?!? My references from prior CTOs are sterling and prove I have been a value asset. I found it insulting that they chose not to interview me over something minor. Either way, I have a new job somewhere else that is more respectful!

      Interview questions [2]

      Question 1

      Describe JavaScript using strict.
      Answer question

      Question 2

      When do you use Group By in SQL?
      1 Answer
      8

      Other Senior Software Developer interview reviews for CoStar Group

      Senior Software Engineer Interview

      20 Sept 2024
      Anonymous employee
      Accepted offer
      Positive experience
      Average interview

      Application

      I interviewed at CoStar Group

      Interview

      Recruiter call first, Hiring manager 1 hour call and then on-site interview 2 to 3 hours with 2 teams. Each team has one or two senior or team lead to interview the candidate.

      Interview questions [1]

      Question 1

      Technical questions on any areas
      Answer question

      Senior Software Engineer Interview

      11 Apr 2024
      Anonymous interview candidate
      Richmond, VA
      No offer
      Negative experience
      Difficult interview

      Application

      I applied through a recruiter. The process took 3 days. I interviewed at CoStar Group (Richmond, VA) in Apr 2024

      Interview

      Nice interviewer but asked questions in an indirect way. Felt a little condescending. I was qualified on paper but very confused with some of the questions. Disappointed but didn't hear great things about the company in general, so may be a blessing in disguise.

      Interview questions [1]

      Question 1

      What are some new things you've learned recently?
      Answer question
      2

      Senior Software Engineer Interview

      31 May 2025
      Anonymous interview candidate
      San Diego, CA
      No offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 1 week. I interviewed at CoStar Group (San Diego, CA) in Jan 2024

      Interview

      I couldn’t understand the interviewer due to his accent. After the interview ended I realized what he was asking and emailed the correct answers. That didn’t work. My skills were not accurately assessed.

      Interview questions [1]

      Question 1

      What ECMAScript version of JavaScript have you worked with?
      Answer question

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