Phone interview to gauge the persons communication skills. They are keen on experience with wealth advisory so any insurance or banking background. After phone interview didn't got through to the next round. Good knowledge of IBKR beforehand can help a lot.

Written Test (30 mins) asked stocks,EFTs, bonds, funds, FX, Corporate Actions. Face-to-Face Interview (Two interviewers), they will ask your daily routine, why you wanna change your current job, why you are looking for client service role