Opencart website required and also mobile application

Note: don't go beyond our budget - as already everything I will provide you as a paid tool and u can get help from the developer for the same as well to deploy if you find any problem. requirements below. 1) templete will be given by me from [login to view URL] 2) opencart 2.3 version is required for this 3) courier application required for managing inhouse courier no 3rd party courier 4) stock .. there should be excel sheet so every time by time we can upload to the open cart stock system to update the stock as the stock application we have inhouse thats why.. 5) Anti-Fraud SYSTEM by SMS "I will provide you this extention" 6) • Person who bought this Also bought this "I will provide this extention" 7) I will provide • Advanced Filter 8) Complete SEO package I will provide.. its an application only to implemnt. currently 9) • Payment Integration with [login to view URL]: "i will provide APi for integration adn also Payfort extention for this" 10) Deals section I will provide the extention 11) cash on delivery.. I need customization - If customer confirm order and at time of delivery he reject the order will be in black list and only available for credit card payment for 3 consecutive order and then can go back to cash on delivery 12) facebook app to open the webstie in facebook I will provide. 13) facebook , twitter login to the website i will provide the extention 14) product feedback system .. provide me any link for extention i will buy. 15) 1 page check our extention I wil provide. 16) Referral Management System -- below is the link [login to view URL] but I need to know is "in every product when I will insert in the system I will say I want to give away 10% in that product so from that 10% the referall system should manage.. that is what I want to giveaway to the referral system to get the moeny from that 10% and also other % on other system to add it in the referral system if person is buying more then 1 product.. 17) [login to view URL] chat I will provide you code to add it in the system. 18) I will provide you MULT VENDOR extention. 19) Mobile Application REST API I will provide to make it easier to develop Mobile applciation. [login to view URL] [login to view URL] - Andriod - IOS mobile application is also required.