Write some software

I need you to develop some software for me. I would like this software to be developed . I’m scoping out a project to build a technology platform I require a first draft of the tech stack. So require a Product Requirements Document capturing capture and outline software architecture & stack that needs to be spec’d out would/could be built .  Please refer to the Platform as “ PP “ PP would be a platform integrating with major shopping carts / webstore builders , carriers/couriers , payments , consumers , retailers and logistics/supply chain providers.  Components - * PP would be API-Led , API driven , Developer Driven Platform connecting apps, data * With Seamless integration to Enterprise - Marketplaces , retailers ( ecommerce ) , webstore builders/platforms ( BigCommerce, Shopify , Magento , woo commerce , etc.... eBay , AMZN , Rakuten , Lazada , Alibaba etc... * Merchants - retailers * Carriers Like : DHL , FedEx, UPS , USPS , Postal operators like Royal Mail , SwissPost HK Post , China Post etc... * 3PL’s/Fulfillment providers . * Direct to consumer relationship /Buyer/Seller /dashboard * Shipping platform - create a shipment , secure quote , tracking /buyer-seller dashboard , secure label , alerts via SMS/mail - MOBILE driven app - POS Shipping app . * Secure quote, dynamic pricing engine and routing . * Global Payments * Consumer friendly - Think Mobile - swipe,tap,click . * Commerce toolkit built for developers RESTful API ? supporting that would have pre-built libraries and documentation aimed at developers - ( PHP, Python , C# , JS , Ruby , .NET, ) for different languages, mobile platforms , to stimulate 3rd party libraries , plugins created by both PP & Developer Community * Internal control tower activity dashboard .  Require 3 things , the 4th is up to you .... 1. A PRD to demo and develop it out further walking through platform - data flows . ( The requirements doc needs to be editable as it will be changed , amended , trashed etc ... ) 2. Must include a diagram /explainer of the technology stack as you see it been architected . 3. Require a one page document PRD . This one pager summation would capture the overall stack and data flows ( again , This will be a working editable draft ) It’s just a landing page with the platform context outlined . 4. Any Additional thought’s you might like to share or include based on proven or emerging strategies you feel would work to embrace the digital economy . Happy to answer questions on the general requirement JS.