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      Senior Software Engineer Interview

      24 Mar 2021
      Anonymous interview candidate
      London, England
      No offer
      Negative experience
      Average interview

      Application

      I applied online. The process took 2 weeks. I interviewed at Checkout.com (London, England) in Jan 2021

      Interview

      Similar process to other tech companies. General phone screening call, tech screening call, take home test and 2/3 meetings around system, culture etc. I haven’t pass the take home test because my coding style didn’t match the person who reviewed the code. Test is relatively straight forward however takes a while to do. You are given about a week to complete but can easily be done in a day or two as well. The issue is, given what’s asked in the take home test, it doesn’t look like person reviews the test gives too much attention - to put it lightly. On the feedback of improvement/missing parts, there were clear tests that covers a lot of cases. And feedback said tests are really good. Then comment on implementation says that I missed to check a few things and can do repetitive calls. So if that person looked at the tests and understood l, they could clearly see all those cases are covered. And rejecting people on a take home test on minor issues like that which can be improved very easily or changed as it doesn’t require up skill or anything. Just rejecting because it doesn’t fit the reviewers style, that’s how it looks. All stages are on phone/zoom.

      Interview questions [1]

      Question 1

      Take home test to create an API
      1 Answer
      1
      avatar
      Checkout.com response
      5y
      Hey, Thanks so much for reviewing your interview experience. We’re sorry to hear that you were disappointed with the feedback on your technical task. We know how much time and effort candidates invest in the task which is why we try and give detailed and consistent feedback where possible. It sounds like we could have done better here. Thanks for being so specific with your comments, we’ve shared your feedback with the team. And if you have anything else to add you can reach us at people.culture@checkout.com. Thanks again, The People Team

      Other Senior Software Engineer interview reviews for Checkout.com

      Senior Software Engineer Interview

      12 Apr 2026
      Anonymous employee
      Tallinn
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I applied through a recruiter. I interviewed at Checkout.com (Tallinn) in Feb 2026

      Interview

      The best interview process that I had so far . Starts with a survey after the recruiter screening which is very detailed for the candidates to align with the company culture, with a clear feedback on the end. The challenge at home with a task that makes sense for the domain of the company was the next one, followed by a live explanation of the project I liked much more than the traditional pair programming rounds, as it removes a bit the pressure of live coding which eventually brings problems totally disconnected of the position that we are applying and gives you the time to discuss your solution with the interviewers afterwards. The final stages, system design and values interview in person are much more enjoyable and feels more like a workday at the office with a colleagues than live interviewers made on-line.

      Senior Software Engineer Interview

      10 Dec 2025
      Anonymous interview candidate
      No offer
      Negative experience
      Difficult interview

      Application

      I interviewed at Checkout.com

      Interview

      Up until the system design it was really friendly. Then it became the most embarrassing interview I’ve ever had. The guy visually facepalmed and laughed if I said something he didn’t like. Asking a lot of trick questions and said hashing the API Key when storing in the database doesn’t make any sense. 😆

      Interview questions [1]

      Question 1

      Why would you hash an API key when storing in the DB?
      Answer question
      7

      Senior Software Engineer I Interview

      19 Aug 2025
      Anonymous interview candidate
      London, England
      No offer
      Negative experience
      Difficult interview

      Application

      I applied through a recruiter. I interviewed at Checkout.com (London, England) in Aug 2025

      Interview

      I had a first-round interview with talent acquisition, followed by a take-home test, and finally an in-person interview focused on system design. During all three steps, I received positive feedback. However, after a call from the HR team informing me that I had successfully passed all the steps, they suddenly told me I was not successful due to some gaps in system design and the coding challenge from the second-round interview. This felt quite strange; it seemed like they didn't know what they were doing. It is possible to successfully pass all interview stages and still not progress with your application, which I find unprofessional.

      Interview questions [1]

      Question 1

      Design a system that processes payments and communicates with two third-party providers, such as a bank and an inventory system.
      Answer question
      3