Programming Jobs in United States

I'm looking for freelance developer to assist in Forex App development - Maintain existing Forex trading mobile app from front end (mobile app) to back end (api, server, mql4) - Tech stack involved: React Native, MQL4, NJ4X, REST API, PHP Laravel, Redis, Memcached, C++, C#, MYSQL - Mobile app allows users to launch MT4 (and EA) on VPS through REST API - REST API is implemented with PHP. It calls NJ4X to launch MT4 (and EAs) upon user requests. - Need to deploy app to both Google Play Store and Apple App Store - Need to sign NDA - Working hours have to overlap anytime between 9am to 8pm EST