My skills are as following : - Native: iOS, Android. - Programming Language : Objective C/Swift, Java, C/C++/C#. - XML/JSON, REST/SOAP. - Photo/Audio Frameworks: GPU Image, EZAudio, CoreAudio. - Push Notification: APNS for iOS, GCM for Android. - Payment Gateway: Braintree, Stripe, Paypal, Venmo, ApplePay. - Geolocation: Google Map, Apple MapKit, Foursquare, OpenStreet. - Social Networking: Facebook, Twitter, Linkedin, Youtube, Instagram, Pinterest.