PS module for repricing from amazon

Hello, My goal is to retain an agency or freelance that works with me on some projects that I have in mind and that is operational for some customers (speed, analysis and readable development). The plugin already exists but it does not work as it should on prestashop, on Magento yes, in fact I would like to insert it in the prestashop modules and resell it maybe further. So I'll explain in short what I need: "Basically I would like to develop a repricing system on Amazon by choosing a minimum (-10%) and a maximum (+ 5%) price threshold, also calculating the rise of Amazon through our Amazon module. This should be done for each product in our shop and competing with competitors, ie when we are below I should reduce to 0.01 cents respecting the minimum price threshold (where the price drops -10%) or maximum (where the price it goes up automatically with the raised threshold chosen eg + 5%). Everything must be done in maximum one hour through the CRON. So far it's not difficult, I already use software that does it. But I would like to develop it from me. I'm interested in this missing feature: "Through the Prestashop website webservice, every time I change the price on Amazon, I have to have the opportunity to automatically align it on my website below the Amazon price of at least 1%. So, I would have my site always with the lowest price compared to Amazon. Obviously it must all happen in an hour through the CRON. I hope you can get an idea and that everything is clear, otherwise write me. Greetings and I look forward to yours. For understand better, for magento there is this module, i just need for prestashop [login to view URL] also need easy to install in a lot of shop