I applied online. The process took 4 weeks. I interviewed at Cybernation (Tokyo) in Dec 2018
Interview
Not too difficult. Fairly simple.
Will be asked to take a simple English test.
Interview is in Japanese and was only a one-time.
Since now it is Covid, the interview may be done online nowadays.
Interview questions [1]
Question 1
1. Will be asked about our background
2. Inexperienced are accepted too, so won't be asked too much about technical things
3. For experienced candidates they may be asked about their background or technical things