SaaS Web App Development - Graphic Template Tool

SaaS application development team needed! Do you have an expert team of web app developers? This multi-tenant application will involve layering text, image and graphic files inside templates, and managing templates for users to edit data fields, and export a final file. Users can either upload image files (pdf, jpg etc.), or choose from a selection of themes in pre-sized templates. Then they set data input areas that can be personalized by the Users. This is a larger part of the system, so please share any related experience you have with image or graphic related apps. It needs Primary Account users, Admin level users with various permissions, and a User level with limited permissions. Admins will have tools to manage Users, create Groups, create Templates etc. An API is also needed to access User template and file data. By registering a Primary Account, it creates the account a dedicated subdomain, which is where User level accounts, associated with the this Primary Account, will register at the lower user price level. It includes a recurring billing system for Primary Accounts, and User level accounts, with separate pricing. Also, options for discount codes and free trials. It will accept both credit cards and PayPal In addition, there will be an “Affiliate Program” for the app. Registered Affiliates are created custom cookie link for tracking referral sales. There will be a dashboard with monthly sales data, and automated commission payments. This will be setup on a dedicated server. There is an opportunity for ongoing support services after the project is complete. ——— Please bid with your best hourly rate. Those with the best matching experience will receive more project details, and can then submit a fully estimated quote. Please share any related experience you have with graphic editing related apps.