[Karliss]

Most of those IT workers probably know Russian and English languages. Knowing both of them you can both get an IT work in Eastern European countries and deal with everyday life. I don't think language barrier is that big of a problem for them.

[nine_k]

English will get you pretty far in the daily life in Western Europe, too, in places like Sweden, or Netherlands, or cities like Berlin. (Not in France, of course.)