There were more than 5 rounds of long technical interviews on site mainly with PRC that requested you to prepare a presentation to get your knowledge. It was not professional at all, including HR making mistakes and not replying when needed. It was a waste of time going for the interviews.
Details about your past/current job technical questions.
The following metrics were computed from 2 interview experiences for the KLA Engineer role in Singapore.
KLA's interview process for their Engineer roles in Singapore is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having mixed feelings for KLA's Engineer interview process in Singapore.