Do consider your skills and experience and what job you want, the tipping positions like server or stateroom host only have a two weekly salary of $50, the rest is tips, the best standard positions may get $1,000 every two weeks, high ups like officers negotiate their remuneration.
Tips for food servers go to them, bars are pooled, room service if cash go to them, if charged pooled.
Some double up on roles.
For Palo you have to work up from the MDR and you can still, get called to do the MDR, say if you go on leave and come back and palo is full, you do the MDR until a person in palo goes on leave.
They have been recruiting world wide recently and before the new ships come they will over recruit and train, and then swap employees around. So there will be a mix of crew experience on all ships.
DCL is very good at internal promotion and with new ships there will be plenty of opportunities when they come.
On Facebook there is a DCL Crew group, you could join that for tips.
You may have to pay for your own flight to your first role, DCL will pay after that for normal start and end of contract, if you have any family emergency then you have to pay your own flight costs.