Usman A.

I am an expert in Mobile App Development. From Last 4years, I have been developing mobile applications. My passion is to write sustainable, high quality Android mobile applications. I work on small, mid-sized and big projects with equal ease and assume ownership of not only the tasks I need to do but of overall project success. For Android I am experienced in: - Native Mobile: Android with Kotlin and Java - Web Service: RESTful/SOAP API, PHP, Node.js - Cloud Backend: Parse, Firebase, QuickBlox, AWS - MySQL, SQLite, Oracle, SQL Server, MongoDB - Facebook, Twitter, Linkedin, Instagram, Youtube, Vimeo - Google Map, Foursquare, Geolocation, GPS, Open Street View, MapBox, Here - Canvas based app like Painting and Drawing - Communicate with BLE, Arduino and Beacn devices - Connectivity with Smart Watches - Apps for Android TV - Fitness App - Alarm Based App - Firebase Crashlytics to track Crashes and Bugs - Calling Apps Using SIP - Chatting Apps like What$App - All payment gateway integrations For iOS I am experienced in: - iOS: Swift, Objective-C, CocoaTouch, XCode; - Core web: XML, JSON, HTML/CSS, JavaScript; - ActionScript3/Flex/AIR: Core, Sockets, AES-crypto, Stage3D, OSMF, Flexunit, etc; - Frameworks: JQuery, Bootstrap, AngularJS, Meteor, Away3D, GreenSock, Robotlegs, etc; - IDE: FlashBuilder, FlashDevelop, Eclipse, IDEA, XCode etc; - OS: Windows, MacOS; - VCS: Git, SVN; - Issue trackers: Jira, Redmine, Trello; - Other expertises: MySQL, SQLite, Firebase SDK, ffmpeg If you need a reliable developer who's easy to communicate with and delivers fast - feel free to contact me.