A linguist,
proficient in either language,
with years of experience in academia and content creation
is your best bet for this project.
As a scholar of Russian and English, I have a keen understanding of both grammars. As a Russian expatriate in North America, I can guarantee accuracy and precision. As an MA and MEd, educated in one of the most prestigious universities in North America, I will work fast and ensure flawless formatting. As a content writer, there is no subject I cannot tackle.
I am your best bet.