i need app

I am looking for an experienced developer to help me build a communication app for both iOS and Android platforms. I have a clear idea of the features I want for this app, so the developer must be able to implement them in a timely and cost-effective manner. The features include, but are not limited to, a user-friendly front page, messaging and chat functionalities, user accounts and profiles, secure payment transactions, and a robust search function. My goal is to create an app that is both easy-to-use and secure. The developer must also be willing to provide feedback and suggestions throughout the entire process. With your help, I am confident that we can create a great communication app that adds value to people's lives.