Andrii Tishchenko

- Led the full cycle of mobile application development (iOS and Android) clients and web service - Designed and implemented REST APIs with encryption - Set up CI pipelines - Conducted bug fixing and wrote unit tests - Utilized frameworks such as Core Location, AVFoundation, Core Data, MapKit, and AuthenticationServices Technologies: Objective-C, Swift, Flutter, shell scripts; Backend development with PHP (RESTful API), JavaScript (vue.js), and SQL Tools: Git, Xcode, Fastlane

Senior Software Engineer Macos services development, code review, R&D, cybersecurity, malware analysis, technical consulting, candidates interview, setting up continuous integration and delivery, bug-fixing, DMG creation, unit tests. macOS: Objective-C/С, Swift 5, Python, shell scripting, AppleScript; tools: git, xcode, wireshark, frida, parallels, virtualBox, disassemblers, decompilers, virtualisation;

Development of the secure iOS app for video streaming based on matrix, signal and liveswitch, integration of 3rd party modules, bug fixing, unit tests writing, App Store distribution. Development MacOS software for wireless flashing of microcontrollers. Technologies: C,Objective-C, Swift, SwiftUI, shell scripting, Xcode, git

MacOS Software Development: C++, Objective-C, JS, shell scripting; Development of a secure Chromium based product for the enterprise, code review, new features implementation and bug fixing. Development of extended JavaScript APIs, UI, XPC, integration of third-party components. Development and support of Chrome extensions for internal purposes.

Development of a number of mobile applications, REST api design, CI setup, App Store distribution, bug-fixing, unit tests. CRM development using ASP.NET MVC. Responsibilities: communication with Customers, presale estimation, technical consulting, candidates interview. Platform: osx/ios, unix, windows; Programming: Objective-c, c++, c#, Swift, Java, JavaScript; Tools: Xcode, Visual Studio, Jenkins, git;

Responsibilities: Development and implementation of mobile applications, desktop applications and websites(WordPress,Symfony,Yii), database administration, code review, bug-fixing, communication with Customers, presale estimation, technical consulting, candidates interview, implementing continuous integration and delivery, App Store distribution, unit tests writing. Platform: osx/ios, unix, windows; Programming: Objective-c, c++, c#, Swift, Python, PHP, JavaScript; Tools: Xcode, VS Studio, Jenkins, JIRA;

Worked on a number of projects using Java, PHP (WordPress, e-commerce), JavaScript, C#, Flex / Flash, SQL for data processing and conversion. Installed and configured WEB servers and databases.