Need advice before uploading

Hello, Colleagues!

I would like to hear your opinion about this track before uploading it to the site

I know that I have some problems with mixing, mastering.
Can You point out my mistakes in this track? Can You give me some advice on arrangement, mixing and mastering?
I will be very grateful for your help, especially if You are creating music in Cinematic genre.

Sincerely, StockMowgli