There are 3 rounds of interviews, the first interview with the hiring manager, a second interview with the HR manager, and a third interview with the head of the department.

Interviewer is a chinese guy, interview started in english then suddenly continue in mandarin. Negative experience with the interviewer, quite disrespecful & serious, ask judging question like why dont u choose to work in singapore etc out of nowhere. also typical china man culture, ask about how much hours u willing to sacrifice for the company. biggest red flag is when i walk in their office, 99% of their employee is chinese, total lack of diversity.