Comprehensive E-commerce App & Website Development

I'm looking for an experienced designer/developer or a team to create a full-fledged E-commerce application for both iOS and Android, along with a responsive website. Key Features: - Shopping Cart: A seamless, user-friendly shopping cart feature. - User Reviews: A system for customers to post and read reviews on products. - Product Recommendations: An intelligent recommendation system for suggesting products to users based on their preferences and purchase history. - Seller and Buyer Profiles: Dedicated profiles for both sellers and buyers, with appropriate features and functionalities. Additional Functionality: - Payment Gateway Integration: Secure, smooth integration with multiple trusted payment gateways. - Order Tracking: Real-time order tracking capabilities. - Customer Support Chat: An efficient, reliable customer support chat feature. Ideal Skills and Experience: - Proven experience in E-commerce app and website development. - Strong knowledge in iOS and Android app development. - Expertise in integrating secure payment gateways. - Proficiency in creating user-friendly interfaces. - Experience with implementing review systems and product recommendation algorithms. - Excellent problem-solving skills for creating an effective customer support chat system.