Victor Kachalov

Developed Tip-On-Device feature for the new SOLO card reader (Swift, Obj-C) Revamped the architecture of the Bluetooth card reader module for the Merchant App which motivated other tribes to drop using unreliable monolithic architecture in the legacy code and promoting modularization

Integrated Capacitor (ionic) framework for a PWA version of the Douglas App on iOS and Android by creating appropriate plugins for each platform to enable two side communication between native and web code and improving the security mechanisms by providing encryption layer for the user data safety

Developed native iOS(Swift, Obj-C), Android(Kotlin, Java), Tizen(C, C++, C#) SDKs for health data gathering from AppleHealth, SamsungHealth, GoogleFit, activity and location from device’s sensors(CoreMotion, GooglePlay Services, Tizen SensorAPI), blood glucose via Bluetooth and NFC from BGM devices with further data evaluation and upload. Created plugins for integrating native libs in apps based on Cordova(JS), ReactNative(JS), Xamarin(C#) and Flutter(Dart). Developed Corona-Datenspende App for RKI.

Developed an iOS mobile application for house appliance technicians in a team of 3 people remotely as a lead developer. I succeeded to solve through this app the company's tasks for automating the work of technicians in spare parts procurement, accounting of customer applications and successfully integrated the educational video courses in the app for training new technicians. Software and technologies: Swift, Xcode, MVVM, Realm, Firebase, Crashlytics, Alamofire, RxSwift/RxCocoa, MapKit, AVKit

Finished apps in which I was participated: 1) public mobile apps : - iOS (Swift): https://itunes.apple.com/ru/app/проверка-маркировки-товаров/id1314000637?mt=8 - Android (Java): https://play.google.com/store/apps/details?id=ru.fns.markirovka&hl=ru The main goal of these finished apps above is to detect fake medicines 2) private company's inner real-time chat for iOS and Web platforms

Finished apps in which I was participated: iOS&Android (ReactNative): https://grotem.ru/products/grotem_agent#!/tab/169880120-3 Main duties: - software (C++), mobile (ReactNative) development - set up the interaction of Web applications (including the 1C-Bitrix platform) with 1C databases - MSSQL databases administration 1C - is a Russian widely used accounting and business automation software My team and I successfully implemented a system of accounting automation in the Nikulin's Moscow circus

My duties were: - mathematical modeling (Matlab) of reinforced metal concrete structures and electrical loads - supporting developed plugin (C, Objective-C, C++) for AutoCad 2009 - leading the engineer team - project documentation development The largest project in which I was participated - carrying out calculations and mathematical modeling for skyscrapers in the Moscow International Business Center

Certificates: https://drive.google.com/drive/folders/1ZPgMr1thtaXmI7_CV_z8m6ZMBUN8M9Y2

Applied mathematics and computer sciense https://drive.google.com/file/d/10paTk6cS8OL-zKhAi5cGyejRVwSTB8N6/view