If you don't mind me asking, what is your age? As a recent graduate, I moved to Dubai last year but moved back to london a few months ago. My reason for coming back is because Dubai is not the best place to start a career.
All the best with your Dubai opportunity. As for alcohol, if you care, you won't have any problems when buying drinks in bars and clubs - as someone who was born as a Muslim, i've been very naughty myself