React Js expert - Urgent project

hi
i am looking for a good frontend developer for my project, a crossplatform app(ios/android/web)
front end is react.js and app in react native, back end is node.js
i want you to bring the design to front end using api, which will be ready soon
the most urgent one is to finish the landing page within a day
newbies are also welcome, if you have really strong skills and rich experience