Opencart - Installations - configurations - integrations

I am looking for an Opencart expert. Please, bid only if you are expert in opencart. I have two Opencart stores with a lot of extensions installed and some customizations for my themes. I also have a specific extension that was made by a developer to Brazilian Market. This extension is in Vqmod for Register Account form for Brazilian customers. For this job, I need. 1º Store Create – Edit Orders Advanced Multi Level Affiliate System ( This extension is installed, there is a conflict in Vqmod XML file) Maxmind (Maybe, this extension will need some modification) Page cache ( This extension is installed, but needs to be configured) Phone Verification Plugin by [login to view URL] ( This extension is installed, but need to work with One Page Checkout) Monitoring & Contracting System (This extension needs some modification) 2º Store Installations and configurations: Smshare Advanced Multi Level Affiliate System ( This extension is installed, there is a conflict in Vqmod XML file) Page cache ( This extension is installed, but needs to be configured) Phone Verification Plugin by [login to view URL] ( This extension is installed, but need to work with One Page Checkout) Monitoring & Contracting System Extensions links: Create – Edit Orders [login to view URL] Advanced Multi Level Affiliate System [login to view URL] Maxmind [login to view URL] Page cache [login to view URL] Phone Verification Plugin by [login to view URL] [login to view URL] Auto complete Address (Auto fill address) [login to view URL] Smshare [login to view URL] Monitoring & Contracting System [login to view URL] Note: I don't want any modification that will modify the core files.