I'm looking for an experienced developer to rebuild an existing e-commerce mobile app from scratch for both iOS and Android platforms. The ideal candidate should have: - Proven experience in developing and rebuilding mobile e-commerce applications. - Strong knowledge of both iOS and Android platforms. - Expertise in user interface (UI) and user experience (UX) design. - Familiarity with secure payment gateway integration. - Ability to implement robust product management and search functionalities. - Experience with backend development and database management. Please provide a portfolio showcasing similar projects.