if your r 24 and have a masters degree and also pay slips, then hsmp might be the way for you to work in the uk.
you might need to get your degree evaluated by
http://www.naric.org.uk/index.asp?page=16
its a points based system, and you need 75, but there will be changes this year to it
http://www.skillclear.co.uk/hsmp-hig...calculator.asp
you apply for a hsmp visa, and if granted you apply for entry clearance...
then you can come to the uk and apply for most jobs.. you don't need a job offer, unlike a workpermit visa.