Expertise:
* Java, Android studio
• Objective-C, Swift
* Flutter
• Back-end development: RESTful web services, Firebase, AWS
• Creating UI with Storyboards, XIB or code-made UI
• Database: MySQL, SQLite, MongoDB
• EAV model: Core Data
• Social network integration: Facebook, Twitter, Instagram, LinkedIn, Google+, etc
• Chatting protocol: XMPP
• Geolocation services: GPS, Google Maps, Yandex Maps, OpenStreetMap
• Version control: Git, Subversion
• Analytics services: Flurry, Google Analytics, Mixpanel
• Distributing and crash reporting services: TestFlight, HockeyApp, Crashlytics