Rostyslav S.

I've got over 10 years experience in macOS and iOS development and 3 years in android. Over the last 4 years I've been working on retail, voip, geolocation, messanger, business and utility apps. My experience involves developing key features of the client app as part of team as well as a designing apps from scratch as a stand-alone developer. My other areas: asynchronous Unit testing, TDD, reviewing the UI and user mechanics, security and cryptography, continuous integration and deployment, app store/google play submission. Cross-platform experience includes xamarin, phonegap/cordova, appcelerator. List of major iOS android technologies I'm dealing with: iOS: Core Data: modelling, testing, designing Data Access Layer Concurrency: (GCD, NSOperationQueue, concurrent core data) Networking frameworks(REST, SOAP, Protobuf APIs. NSURLSession, Socket.IO) Core Data, Core Media, Mobile Security, Core Audio, Core Graphics, Core Video: video filters, https livestreaming iOS extensions WatchKit Photos Framework Webkit : javascript to native bridges Analytics and crash reporting: Google analytics, Crashlytics, Flurry, Mixpanel), MapKit PushKit, push notifications libSVG, vector graphics frameworks iAd, PDF Kit, UI kit, autolayouts, Quartz core, xCode profiling tools, external profiling tools. Asynchronous unit tests (xCode 7,8) jenkins Android: Google+ API Calendar API Google maps API v2 Google drive API Gmail API Contacts API Media projection API Other: EWS/Exchange Instagram, Facebook, Linkedin , Twitter APIs all popular MBaaS stacks