SHOPPING APP WEBSITE DEVELOPMENT

I am looking for a skilled developer to create a shopping app that will be available on both iOS and Android platforms. I don't have a specific design in mind, so I need someone who can assist with the design of the app. The most important features of the app are product search and filtering. Additionally, the app should have a secure payment option. The ideal candidate for this project should have experience with app development for both iOS and Android, as well as expertise in UI/UX design and secure payment integration.