It is said that the Chinese government will invest at least 6 billion RMB on Microelectronics in the following years. So I think the work prospect will be fine. Of course, everything is dependent on your own capability.
You can find out the truth when you come back china one year later. Although it's difficult to find a job at this moment, if you choose to continue staying overseas is even worse.
China is a place full of oppotunities for us chinese after all.