I've worked on a big project so far and I mastered all branches of iOS tech & skills for over 7 years, with lots of
experiences in REST API, SOAP API, JSON/XML, PHP & MySQL Web Service API, Facebook API, Twitter API,
Foursquare API, MapKit, GPS, Payment Gateway APIs, eCommerce platforms.
Also I am working on web development such as React, Nodejs, VueJS etc.