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      Software Engineer Interview

      Apr 21, 2016
      Anonymous Interview Candidate
      San Francisco, CA
      Declined offer
      Positive experience
      Difficult interview

      Application

      I applied through a recruiter. I interviewed at Block (San Francisco, CA)

      Interview

      I interviewed at a lot of great tech companies, but my experience with Square was by far my favorite. Starting from the interviews themselves, the interviewers were all extremely welcoming and kind. The questions they asked were a lot more practical and fun than at other companies. At the end of my onsite, I felt like I had spent the day solving interesting problems and learning very smart people! It was such a change from the usual stressful and tiring interview process. After my onsite, my recruiter went above and beyond to help me with my decision. I could tell that she genuinely cared about me making the right decision for myself, and she was very supportive even when I told her I was leaning towards another company. Even though I decided to accept a different offer for personal reasons, I am so grateful for the wonderful experience I had with Square! I would encourage anyone to apply!

      Interview questions [1]

      Question 1

      There was one graph traversal problem that was fun. I don't think I should go into specifics though.
      Answer question
      4
      avatar
      Block response
      10y
      Hi, Thank you for taking the time to tell us about your experience with Square! We are happy to hear that you had a good experience with the Software Engineer Interview and that you felt as if you spent a successful day solving interesting problems and learning from smart people! At Square, we are always striving to provide the best candidate experience possible and we value your positive feedback. We always strive to have our recruiters help candidates make the best decisions and we are happy to hear you had a good experience. Hopefully your post will help others prepare for their interviews at Square. Thank you for sharing! Best, The Square Talent Team

      Other Software Engineer Interview Reviews for Block

      Software Engineer Interview

      Mar 16, 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

      Feb 6, 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

      Aug 14, 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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