Customize Codeigniter based PHP Affiliate software with Woocommerce & Shopify Integration

Hi Freelancers,

 We are looking for a good PHP Codeigniter developers to customize a PHP based Affiliate software with additional features that already has Woocommerce & Shopify integration. Main function will include Admin & Affiliate dashboard for management of affiliate membership system with paid / free types. - Admin will create affiliate membership plans, sign up can be paid & free using a e-voucher and ewallet system. - Affiliates can also purchase platform credits using Bank Transfer, Evoucher/Epin etc. and earn Referral Credits from their promotion & sales. Credits will be shown in a ewallet system. - Each affiliate will have a unique Referral URL for referring other affiliates to the platform & a unique code / id parameter which will be forwarded in Store URL used to refer & track sales on WooCommerce/Shopify website. This will be a shareable unique link. Example Below:
 Web App Referral URL: [login to view URL] (sub-domain install)
 or [login to view URL] (separate domain install) Woocommerce Store Share URL : [login to view URL] - Affiliate earn by promoting shopping/listing vouchers to general public which can be redeemed for full or partial discounts, offers & cashback deals on woocommerce & Shopify stores as per the order checkout value. - These shopping/listing voucher will be purchased by affiliates in discount from script using ewallet credits, referral credits or in cash . - The purchased shopping / listing vouchers can be printed in pdf format or exported in excel file in bulk by affiliates. - Every voucher validity , usage & status can be tracked via admin, affiliate & public interface. - Affiliates will have a multi tier/level commission model, with rank progression, commission upgrade & rewards on sales & promotion activity. - A Woocommerce & Shopify api/plugin integration is already available which needs to be customized affiliates can use their wallet balance to make purchase on the connected stores. I have tried to provide a complete overview of the functionality we are looking in our affiliate application. Only bid if you are familiar with Shopify, WordPress & Woocommerce Codebase, WooCommerce plugin & rest API structures.

 We will provide you a detailed document, frontend & admin panel HTML templates from theme forest to integrate in the admin & affiliate dashboards. You should have knowledge of
 latest frontend & backend technologies like HTML, Bootstrap, Javascript, Caching etc. Web application should be scalable to handle at least 100k to 500k users. We plan to further extend the functionality of web app in next phase of the development process. PS: Do read the attached document before placing your bid. Notes # 1)To know more & check the demo of the affiliate script at links given below: For Script Overview Visit : [login to view URL] Admin Panel Demo: Username- admin Password: admin2018$ [login to view URL] Affiliate Panel Demo: Username- user1 Password: 111111 [login to view URL] Customer Store Demo: Username- client1 Password: 111111 [login to view URL] 2) Above script will be provided to you for modification in order to add our required features as mentioned in this document. So review it and let us know of your queries and concerns related to the work. ********* To avoid spam, please respond with “AFFPRO” in the subject line or first word of your response to confirm you've read this whole description. Thank you! ********* You will be asked to answer the following questions when submitting a proposal: [login to view URL] past project or job have you had that is most like this one and why? [login to view URL] part of this project do you think will take the most time? [login to view URL] questions do you have about the project?
 4. What is your estimated time & budget for this project?