The chances are quite slim for you to find an equivalent job back in SH or SZ. If you do have a strong urge to go back, I suggest you contact some head-hunting firms first to get some clue. My feeling is that you might find suitable positions in international financial institutions with 60% of your current pay package. And don't expect to get a good position in a state-owned institution where PhD degree is worshiped above anything else. P.S. getting a Singapore citizenship can bring you many conveniences but wouldn't have much negative impact in your job hunting back in mainland.