I've attached the new file to this letter.
Now as regards your questions.
My notice period is very short - only 2 weeks.
According the law of Pussia I must inform my company that I dicided to hire in two weeks.
After that I'm free.
Of course, I don't have a Blue Card, but It is not a big problem on my opinion.
I think I won't have any troubles to get it when the time comes.
I've already trevelled a lot in Europe and never had any problems with getting Schengen Visa for tourists.
Regarding salary.
My salary now is "$$$$" rubles per month (annual gross, before taxes).
Now It is about "$$$$" euros and it is a good salary for my small city.
However, 2 years ago the same sum in rubles was "$$$$" euros, but the rate of exchange suddenly changed and it happened in one day.
And this is one of the hundred reasons why I decided to relocate: the economical situation here is completely unstable and unpredictable.
This fact is true and you can freely find it in the Internet if you want.
By the way, in my country taxes are 13 %.
As far as I know, I Germany it is about 43%.
I googled information about salaries for software developers in Dusseldorf and payed attention to the average value and now I think that "$$$$" euros per year(annual gross, before taxes) would be great for me.
It is not so small and I can feel comfortable and I don't need a huge salary, because I'm not so cool and don't deserve it.