Be yourself and be confident. Especially stress why you want to join this company, since TSMC has always valued employee loyalty. Definitely show a solid attitude towards all aspects of your future job. Be confident but never too aggressive.
Why TSMC?
The following metrics were computed from 3 interview experiences for the TSMC Principal Engineer role in Taiwan.
TSMC's interview process for their Principal Engineer roles in Taiwan is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for TSMC's Principal Engineer interview process in Taiwan.