Develop a Mobile App for Second-Hand Book Marketplace

We are looking for an experienced mobile app developer or team to create a comprehensive application for buying and selling second-hand books. The app should be user-friendly, secure, and feature-rich, catering to both buyers and sellers.

Key features required:
- User registration and profile management for buyers and sellers.
- Intuitive interface for sellers to list books, including uploading photos, adding descriptions, setting prices, and specifying book condition.
- Advanced search and filtering options for buyers (e.g., By title, author, genre, price range, condition).
- Secure in-app messaging system to facilitate communication between buyers and sellers.
- Integrated and secure payment processing functionality.
- Rating and review system for users to provide feedback on transactions and other users.
- Wishlist or favorites feature for buyers.
- Order management and tracking for both parties.

The ideal candidate will have strong experience in developing robust mobile applications for both iOS and Android platforms, with a focus on e-commerce or marketplace functionalities. A clean, modern design and excellent user experience are paramount.