There is no written test, only talking to your 1st & 2nd string boss. Basically, they just ask about your past experience and why you want to work at IBM, your expectations, etc.
What is your weakness, why and how do you overcome it?
The following metrics were computed from 1 interview experience for the IBM Globalization Test Lead role in Taiwan.
IBM's interview process for their Globalization Test Lead roles in Taiwan is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having mixed feelings for IBM's Globalization Test Lead interview process in Taiwan.