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      Nexmo

      Acquired by Vonage

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      Test Automation Engineer Interview

      18 Jul 2018
      Anonymous interview candidate
      London, England
      No offer
      Negative experience
      Average interview

      Application

      The process took 1 week. I interviewed at Nexmo (London, England) in Jul 2018

      Interview

      Got contacted contacted by Talent Acquisition team via LinkedIn. First had phone interview with one of the member of this team, then I was asked to do online Codility task (preferably by the end of the week - I did it next day. I had 175 minutes for this test task (there were 2 programming tasks and then set of questions). First thing these questions were highly unusual for tester role, I didn't mind the difficulty as I've studied it all at uni, but they were more around algorithms, complexity and more obscure things that I've never encountered in Testing. I did it all in about one hour so I wouldn't consider it end of the world, but if you've never studied this, I can imagine most people must be pretty lost. I've let them know after finishing this task that I've submitted my solution (mostly as confirmation, I'm pretty sure they get notification from the testing platform). And then I've waited for almost a week. After a week I asked for feedback and was asked for my availability for a call next day. As I've tried to arrange this, I've never heard from them again and got ghosted as some other candidates mentioned here. All in all don't waste your time, it's really not worth it. Your time is more precious than that. I enjoyed the online assessment as it brought back memories from uni, but could live without the rest of the experience.

      Interview questions [12]

      Question 1

      Given the number return largest possible number with same digits
      1 Answer

      Question 2

      Given number find count of similar numbers - similar numbers are numbers which got same digits, but in different order. This has to be done within logarithmic complexity (O(log n)).
      1 Answer

      Question 3

      How can you check that number is odd.
      1 Answer

      Question 4

      Given algorithm what is it's O complexity
      1 Answer

      Question 5

      Which of the following algorithms return shortest path in the graph
      1 Answer

      Question 6

      What data structure is usually used for databases
      1 Answer

      Question 7

      You have tree with 4 nodes, how many edges do you have to add so it's not tree anymore
      1 Answer

      Question 8

      You have 1000 elements which of the following is largest.
      2 Answers

      Question 9

      Don't remember exact wording, but given current computers, if something take certain number of operations, how long it's going to take to finish
      1 Answer

      Question 10

      How long would take to calculate sums of each pair of elements in array
      1 Answer

      Question 11

      What is the lowest number of comparisons to find smallest number out of 5
      1 Answer

      Question 12

      Having array of numbers. Iterating once over it, you compare two elements next to each other, and you swap them if element on the right is smaller than element on the left. What is true about the array at the end.
      1 Answer
      5