Cross platform app development

I am seeking a skilled app developer who can create a cross-platform app for both iOS and Android. The app should also have a web version. The main feature that the app should include is a price comparison between grocery stores. Additionally, I would like the app to have integration with social media platforms, payment gateways tools. The ideal candidate for this project should have experience in cross-platform app development and be proficient in iOS and Android development. They should also have knowledge of web development and be familiar with integrating social media platforms. Strong communication skills and attention to detail are essential.