Supported and improved 2 corporate application using Swift, Objective-C, RxSift, Realm DB, Keychain, MoyaNetwork, Eureka, SwiftUI• Actively participated in code reviews decreasing the number of bugs in app by 20%.• Developed news channel from a scratch increasing client loyalty• Manually converted code from Objective-C to Swift improving code readability and decreasing time forsupport by 30%• Developed employee knowledge testing system based in part on functionality of other module increasing thequality of development

Supported and improved application for insurance company using Swift, Objective-C, ReactiveSwift, CoreData, Keychain, Moya Network, Eureka• Actively participated in code reviews decreasing the number of bugs and maintaining unified code style.• Developed and implemented the system for remote settlement of traffic accidents reducing the load on the callcenter and simplifying the process for customers• Manually converted from Objective-C to Swift code in Green Card module decreasing time for support by 20%• Implemented unit tests in project greatly reducing number of bugs

• Supported and improved 2 applications car trading app and car photo search app using Swift, Objective-C,Realm DB, Moya Network, UIKit• Manually converted Xcode Storyboards to Swift code decreasing time for resolve merge conflicts by 80%• Implemented unit tests in project greatly reducing number of bugs• Enhanced app UI design considering on latest designers solutions improving user experience• Independently created a toolkit for automatically converting fonts and colors from HTML to Xcode formatincreasing integration of new design by 3

• Project: Hogashop, B2B-Platform for the hotel and gastronomy business in Switzerland• Supported and improved application using Swift, Objective-C, Core Data, UIKit, REST API• Developed new calculation module decreasing support time by 3 times• Update old unit tests and developed new increasing stability of application• Replaced old UI design with new one with better UX improving user experience

• Improved 3 supported applications using Swift, Objective-C, RxSwift, Multithread Programming, Core Data,Keychain, UIKit, REST API, WebSocket• Mentored two new-come developers, with whom we created application in 8 month for the major oil companyfrom scratch significantly increasing company’s income• Implemented multi-threaded development increasing speed of data processing thereby improving the overallperformance of the UI layer• Initiated direct communication between departments, significantly reduced time for creating and modify TS• Implemented using data from Memory Graph into development significantly decreasing number of data leaksand improved application’s stability

Began to programming on C#Designed and developed about 50 mobile games with in game purchases. All games were published on AppStore and Google PlaySupported and improved iOS application using Objective-C