Hello there, my name is Jim and im a full stack react native developer with almost 2 years of programming experience. I have carefully read your project's description and im pretty sure i can provide you a beautiful, nice looking, accesible and responsive user interface / user experience as well as making a custom backend using nodejs which will listen to firebase services for user authentication, all kind of databases, real time triggers, working on push notifications and many more! As im new here, looking to get some good testimonials i will try to provide you high quality services for as low cost as possible. Feel free to message me anytime, so we can then discuss more about your project. Many thanks in advance