Web project, Virtual Store and partial interconnection with SAP ERP

Dear Developers: We need to develop a Web site that includes Cart, extranet for distributors, end-user extranet, Product Manager, Marketing Manager. SAP interconnection for some options with at least 4 modules. Indicate details of your proposal (framework, language, OS platform, interconnection with SAP) Example sites: - [login to view URL] - [login to view URL] Parts of the Project a. Public web b. Reseller extranet c. User Extranet d. Product Catalog Manager e. Marketing Content Manager General Characteristics: - Web and database design - Customizable Web (responsive web design) PC, tablet, phone. - Manager of skin or template - Manager / Content Management (creation, editing product lines, categories, brands, Additional pages, content, etc.) - Product catalog - Product Comparison - Selling Manager: products, stock, purchase orders, credit line, billing (with interconnection with SAP ERP 6.0) - Predictive Search - Intuitive filters to reach the required product - Payment gateway (3 options of payment PayPal, 2CO and other) - Maximize time spent: Optimization of permanence, landing pages and brand lines to divide the searches in the Google robot, structure must generate most visits and increase the time spent on the web. - Content Marketing: providing quality information to the user and forcing a return in the form of consultation, generating visits and dependency information: subscriptions, newsletters, resources, fairs, training, news, discounts. - Interface with SAP ERP 6.0 Read / Write to the extranet of the distributors, users, product features, lines of products (at least 4 modules including Finance and Sales). Some additional details: a. Public web 5 Options Level 1 30 Level 2 Options 5 Options Level 3 b. Reseller extranet Administration by the Distributor Business administration (Data, promotions, line of credit, etc.) 5 options 15 sub-options options Level 2 and 3 (INTERFACE WITH SAP ERP 6.0 with at least 4 modules Read / Write) c. Users extranet Administration by Users Business administration (Data, promotions, line of credit, etc.) Five (5) options Level 1 15 (1uince) sub-options of Tier 2 and 3 (INTERFACE WITH SAP ERP 6.0 with at least 4 modules Read / Write) d. Product Catalog Manager Enter and update product information Five (5) options Level 1 15 (1uince) sub-options of Tier 2 and 3 e. Marketing Content Manager Subscription: Newsletter, Resources, Trade, Training, News, discounts, etc.