Such channels often contain jobs not requiring Russian, but obligatory requiring English.
On my experience, remote teams usually have people from various countries. So, it is obligatory if you join an international team, that you could communicate in English.
Personally I, when searching for a remote job - try to look on the websites, resources of other countries too.
If anyone would share, which resources they use in their country - it would be great.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.