App development

I am looking for an experienced app developer who can create an e-commerce platform for both iOS and Android. The ideal candidate should have expertise in Swift/Java programming language and must be familiar with e-commerce app development. The app will require integration with payment gateways and inventory management systems. The app should have user-friendly UI/UX and should be scalable for future upgrades. Additionally, the developer should have experience in app testing and debugging to ensure that the app is bug-free.