Multilanguage Proofreader for Technology Content

I need a Multilanguage expert or agent to help below requirement.

Key Responsibilities:
9 different languages: Spanish, French, Croatian, Italian, Polish, Portuguese, Albanian, Serbian, and Turkish.
Formal where possible, and where possible non-gender specific. Capitalize the first word of the sentence and otherwise only capitalize names, following local language rules.

Please provide your relevant experience and quote for this project.