Optimize Existing Back End Performance for REST/Scrapping

Optimize Existing Back End Performance for REST/Scrapping 1.) Response should be less than 2sec 2.) To be optimized for exisiting all sites built for scrapping 3.) Host it as a new project instead of touching exisiting one 4.) high performance and scalable 5.) can and should handle a concurrency of at least 10-12 users for starters 6.) Optimized solutions 7.) Documentation (Mandatory) Reference and access to existing app would be provided on need to know basis and add performance points(mentioned above)