Most of the Arabs that have also different nationalities are using the second one. At least the ones I know.

About the bank itself and your career-you should see for yourself who is going to be your manager, do you like him/her from the interview.
See how much they are offering.

Moreover, don't get stressed with it, there is always a probation period for you.

If you're looking for a problem, you're probably gonna find one.