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      Software Engineer Interview

      25 Sept 2019
      Anonymous interview candidate
      Dublin, Dublin
      No offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 1 day. I interviewed at HubSpot (Dublin, Dublin) in Sept 2019

      Interview

      Applied online, got an automatic email to do online assessment test. Takes 1-3 hours to complete. unfortunately I was unable to complete the assessment in the time given. The test consisted of getting a http get request processing the json you go and sending the resulting json to a different post http url. You get an ok or 400 result based on the json. No information about what is wrong with your answer, both during and after. If you don't get it right in the first 2 hours just give up, their not going to entertain you or your code submission after the time limit is up. Ran into some problem during the end with result not matching up. Believe I didn't have the json formatted correctly or missed a small logic check on testing dates and people. You get a template email if you fail to get the answer. No feedback at all about what was wrong or anything at all. The process is very one sided in terms of work need just to get to speak to someone. Have done interviews for much larger and well known companies and they at least have someone to speak to before/during the whole process. I have done there old process before and it required less work and was at the same level of difficult. The old process also gave you more information about test cases done on the code you wrote overall it was a much better screen test then the one currently been used. If you do this assessment best to use JavaScript or some other language better at processing json data, don't use java like I did. It was a huge mistake to do this.

      Interview questions [1]

      Question 1

      Get a json from url, process json based on a requirement. Requirement could be changed for each person, but mine was group by most popular date that was the start of a span of a period of time. Then format to json as given in example and post back. Bit more work then that but that is basically it.
      Answer question
      1

      Other Software Engineer interview reviews for HubSpot

      Software Engineer Interview

      2 Apr 2026
      Anonymous interview candidate
      London, England
      No offer
      Positive experience
      Difficult interview

      Application

      I applied through university. I interviewed at HubSpot (London, England)

      Interview

      I went through several rounds, including an initial screening, a technical assessment, and follow-up interviews. The process was well structured, but I found the technical part challenging because it required both problem-solving and clear communication under time pressure. The interviewers were professional, and the questions were relevant to the role. Although I did not receive an offer, the experience was still valuable and helped me understand the company’s expectations better.

      Software Engineer Interview

      9 Mar 2026
      Anonymous interview candidate
      New York, NY
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at HubSpot (New York, NY)

      Interview

      Coding assessment with multiple levels. levels open up as you pass them. Time constraints looked tight. I could not get through all levels. It was related to Designing banking system.

      Interview questions [1]

      Question 1

      multi level Design Banking system
      Answer question

      Software Engineer I Interview

      20 Feb 2026
      Anonymous interview candidate
      Dublin, Dublin
      No offer
      Neutral experience
      Average interview

      Application

      I applied through an employee referral. I interviewed at HubSpot (Dublin, Dublin)

      Interview

      Consists of an Online Assessment, followed by 3 rounds (2 System Design, 1 coding) One of the System Design interviewer was less experienced (with an experienced shadow interviewer). I feel like they didn't drive it correctly, didn't ask me the right follow-up questions and eventually gave negative feedback.

      Interview questions [1]

      Question 1

      Online Assessment: Multi-part question involving incremental development of a memory cache database System Design 1: Design a weather widget to get data from upstream and display to customers Coding Round: Incremental question involving API calls to get data, parse and do calculation System Design 2: Design video streaming system (like Netflix)
      Answer question
      1

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