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      Software Engineer Interview

      22 Apr 2016
      Anonymous interview candidate
      No offer
      Negative experience

      Application

      I applied through a recruiter. I interviewed at Block in Apr 2016

      Interview

      Probably one of the worst recruitment teams I have encountered. I was approached on LinkedIn by a recruiter. Had a small chat with him and was scheduled for a Skype "pair programming" interview.in the Skype call, The interviewer posed a question which was not extremely hard, but also not trivial (edge cases to consider). I came up with a correct approach and coded it. I missed some of the edge cases but debugged it and eventually had a working and running solution. The interview ended on time. After the interview, I did not hear back from the recruiter. I pinged him, but he still did not respond. After more days I pinged another recruiter and she forwarded my email to the original recruiter, who "gracefully" replied. Needless to mention it was a rejection. I immediately followed up with the recruiter asking to hear what went wrong, but never heard back from him again. He just simply stopped replying. 1. Don't buy into their mumbo jumbo "pair programming" interview. Their interview process is as binary as it can get. Solve the question promptly and correctly or you're out! 2. Unprofessionalism is an understatement to describe these people. I will certainly avoid applying to this company in the future again.

      Interview questions [1]

      Question 1

      You receive as input a set of people. You need to output a random and uniform list of pairs of these people for giving gifts to each other. E.g. the first person in the pair gives a gift to the second person in the pair. Make sure that everyone gets a gift and it is not allowed for a giver of a gift to receive a gift from the recipient of his gift.
      Answer question
      5
      avatar
      Block response
      10y
      Hi, Thank you for taking the time to write about your experience. We were really disappointed to read about your interview process — definitely not cool, and we're really sorry. We'll discuss your feedback with the team immediately. We will work to make sure that future recruiters respond in a timely manner and are available to answer any questions. We have recently introduced a new interview training process that should help future interviewers with the problems you mentioned. Again, we're very sorry about the confusing situation. The candidate experience is very important at Square and we value your feedback. Thank you for sharing so that we can improve our process for the future. Best, The Square Talent Team

      Other Software Engineer interview reviews for Block

      Software Engineer Interview

      16 Mar 2026
      Anonymous employee
      Melbourne
      Accepted offer
      Positive experience
      Average interview

      Application

      I interviewed at Block (Melbourne)

      Interview

      Inital take home, followed by extension interview, followed by a coding challenge, followed by system design interview. The whole process took 3 months! The interviewers are usually really nice and want you to do your best.

      Interview questions [1]

      Question 1

      Design an end to end banking system
      Answer question

      Software Engineer Interview

      6 Feb 2026
      Anonymous interview candidate
      New York, NY
      No offer
      Neutral experience
      Average interview

      Application

      I interviewed at Block (New York, NY)

      Interview

      The interviewer was nice, and he is friendly and willing to give hint, the question has 2 follow-ups, it was hard to complete in time. The question was not a typical LeetCode

      Interview questions [1]

      Question 1

      talk about my past experience
      Answer question

      Software Engineer Interview

      14 Aug 2025
      Anonymous employee
      San Francisco, CA
      Accepted offer
      Positive experience
      Average interview

      Application

      I interviewed at Block (San Francisco, CA)

      Interview

      Phone screen and then a full day of interviews. 3 pair programming challenges, a system design review and a prior experience interview. There was also an onsite lunch with a person from the company.

      Interview questions [1]

      Question 1

      To design a hotel booking system. Pick any part (backend, frontend, database, api etc) and deepdive into that, explaining the decisions along the way.
      Answer question

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