My expertise is in building of the following applications: * B2B Misc * Programming Languages : Swift, Objective-C, Java, PHP, Javascript, Typescript , HTML, CSS, SASS * Tools : Xcode, Android Studio, Visual Studio Code, Sublime, Coda * Operating System : Mac OS X * Design pattern : MVC, MVVM * Graphic Design : Sketch, Photoshop * Communication : Skype(mainly), Hipchat, Slack * Project management : Jira, Trello, Pivotal Tracker * Source Management : Github, Bitbucket