I was given a four-part online assessment. The longest part was the first, with two coding problems on the HackerRank platform.

Debugging was a real problem for the larger dataset problems. There was some piping error, and HackerRank doesn't allow you to see the output for many of the test cases.

There were also some surprising questions regarding non-relational databases that I was not expecting.

One thing that's really relevant to be familiar with is Amazon's core principles. Workplace habit questions seemed to be very much based on this.

Sum the difference of the minimum and maximum values of all consecutive integers in all possible sub-arrays within the master array.