You can always try this out first by searching for contract work as if you were in your home country. Just set up a website (perhaps not using your real name, in case your employer gets suspicious) and see if you can actually seek out the work. You can even try to purchase advertising on Google to see if you get any clicks / contacts. Overall it's a pretty cheap way to check.

I get that this may not be possible, but these sorts of trial balloons are much easier to float first to get an idea instead of taking a leap of faith.