Wordpress Speed Optimization/Caching (incl. Cloudflare)

Hi Freelancer, A) Starting Point 1) I am operating a (new) photography membership site (portrait, glam, art nude) = NSFW. 2) 80% of the traffic happens inside the members area (= when visitors are logged-in). B) Who I am looking for/What service, solution I need in general 1) Proven specialist for WP caching <> CDN solution 2) Need of different “caching levels” & “specialities” C) Comprehensive Info: Please read the attached PDF with all specs, needs, conditions and pre-requisites for starting a pre-awarding talk carefully (!). Thanks for your time and bidding. Dan