The first interview includes an online coding test on Codility.com and a pre-recorded video test (the questions are given). The online coding test was very easy. It is a good idea to do some practice questions on Codility.com in order to get acquainted with the environment.
Codility interview question: (easy) Find the standard deviation of an array.
Skype interview: Questions about previous projects I have done.
The following metrics were computed from 1 interview experience for the Rakuten Software Engineering role in South Korea.
Rakuten's interview process for their Software Engineering roles in South Korea is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Rakuten's Software Engineering interview process in South Korea.