1500 net, so about 2200 brutto is not that bad for Latvia, although on the low side.
It really depends on job quality as well.
Considering how frugal you are, you have plenty of time to find a better gig.
Pure local companies are not going to pay much better though (and Latvian state and local government gigs are even less).
So one option is to move to one of the outsourcing companies or even better to a smaller company dealing with western clients.