Depends on age... What you want etc... I'll tell you there are trainers, 7000tt who join CX as an SO so jumping the cue... DONT THINK SO!!!!
Most of the questions you ask as for rosters, pay etc are all here to find already, just use the... yes SEARCH function.
IMHO your experience is very low... Just apply, keep updating etc..
SO is a way of life, not a pilot's job (NO disrespect) and you'll get on the ladder nevertheless and get the window seat in a couple of years anyway (SENIOR to new joining FO's on thepax fleet after you (base AMS or...)) I reckon for a DFO job your hours are too low for the coming years.
As I said, keep getting them hours in and make up your mind in due time....
As for Hong Kong, I LOVE IT!!!
Cheers