The screening interview: a code with recursion to calculate the mean of an array. They asked about the code output, the time complexity and the name of the function. Hackerrank test. 3 exercises (offline - 1 hour) . Binary Number in a Linked List to Integer Technical Challenge: Interview with engineer and a live coding exercise, HackerRank. Interview with engineer manager. A few day later they sent me an email telling me that I was not going to be considered. A bit of a waste of time.