I applied online. The process took 4 weeks. I interviewed at Eastar (Seoul) in May 2018
Interview
The interview is twice done. There are 3-4 interviewers and 6-7 interviewers. The interview is in Korean, but there are English questions. The question is not difficult. You should be able to express yourself well, but not too much.
Interview questions [1]
Question 1
1. Self-introduction.
2. about educational background.
3. about formal career