Having worked in the tech industry for several decades, I understand the professional voice as well as the need to keep the audience's attention. I will complete this project within 2-3 days of accepting the project and have the finished project uploaded at that time.
I do not personally know Russian, but Google translate has produced a suitable translation of the text under the video your project description provided, so this will be the voice-over transcript I will use.
In your project description, I understand " translation correction while recording (script proofreading)" to mean that I should make the transcript sound like an American script versus a translation of a Russian script. I would be happy to make sure this happens.