Immigration to Germany was big 10-20 years ago, but now, most Romanian devs these days, unless they get offers that go above six figures, aren't rushing to move to Germany as most take home dev wages have almost caught up, but the CoL and housing is way cheaper than in Germany.
From what I saw, they open a small office in Germany when they either want to tap some university/research institution or open a big office when they want to bring a lot of Indian/Turkish/non-EU devs here who want to move to EU, and low-ball them, as Germany is a preferred immigration destination.
I think nobody is trying, but with the right salary I'd love to. Some acquaintances did something like this: they moved from France to Poland and have a salary that's locally really good. There's more companies that hire like that on the basis that a certain salary gets you further somewhere east.