The core tasks were implementation of turnkey projects in eCommerce and business applications, such as vendor and order management applications or vision training applications, as well as many other small projects.• Developed requirements, roadmaps and implemented plans• Administrated, managed the work and managed full turnkey projects incooperation with the team• Led projects from idea to release to the store, including design, wireframes,project architecture, and full implementation • Released projects in the App Store

A project is the terminal, a separate device in each restaurant own blockchain network. The core project tasks were to implement new user scenarios, from UI interfaces to interactions with CRM and blockchain transactions. The project was based on SwiftUI and Combine. Responsibilities • Developed new screens and features, inventory actions, a complex tax form and integration with various SDKs for payments, payment terminals, cash registers and receipt machines • Involved in code base improvement • Refactored internal dependencies, provided Objective-C and Java code conversion to Swift, PR validation • Participated in continual improvement of public codebase in the form of strict PR, Snapshot and Unit tests, code style, and architecture requirements

The core tasks were implementation of turnkey projects in eCommerce and business applications, such as vendor and order management applications or vision training applications, as well as many other small projects.• Developed requirements, roadmaps and implemented plans• Administrated, managed the work and managed full turnkey projects incooperation with the team• Led projects from idea to release to the store, including design, wireframes,project architecture, and full implementation • Released projects in the App Store

An iOS app that is a social network/platform with the ability to host a live-stream in a video conference format and control the music track, which can be changed by the administrator of such a stream. The project was developed from scratch and required iOS development, backend and WebRTC engine for broadcasts.• Designed the architecture of the entire iOS and streaming platform• Conducted testing technological concepts for streaming variable music for allconnected users• Created a fault-tolerant application connected to the streaming engine• Built smooth UI/UX animations and controls for streaming control• Developed architecture of the back-end project• Wrote most of the backend in form of scripts for AWS and accordingly theirimplementation on the iOS platform• Actively participated in working with the designer on new features and theirUI/UX implementation• Wrote an add-on for the WebRTC engine in C to customize possibilities ofstreaming-engine for the project needs

Creation of an iOS app that allows users to control and interact with video cameras. A big project with a big legacy under its belt, an extensive system of white-label implementations and numerous software/hardware integrations.• Developed new application features• Worked with the designers and product managers on the basis of constantfeedback from regular users and B2B clients• Provided continuous improvement of the project technical side• Refactored the code base with a large legacy• Updated requirements and planned the implementation of new technicalsolutions• Created a sophisticated CI/CD system that accounted the delivery of builds forinternal project participants (both testers and designers), as well as all possible configurations of third-party white-label customers

A project is a decentralized peer-to-peer file manager implemented on iOS/Android/Web/MacOS/Windows platforms, with a constantly changing and improving protocol of interaction between devices and platforms. The iOS application in turn was created from scratch.• Wrote the application that was as fault tolerant as possible and in all possible variations of network availability could synchronize data between devices• Developed an architecture allowing tracking the history of changes to files, the system of access and administration of files in personal and shared accounts• Built the application architecture from scratch within the reactive approach• Created an interaction layer within the platform for WebRTC + Google Protobufbundle• Elaborated animations and smoothness of interface elements for maximumvisualization of possible states of files in the system

Messapps is a full-service app development company that provides app development, design and consulting services.Involved in several projects, which included both maintaining the existing projects and developing new ones from scratch.• Developed projects from scratch, developed architecture and new features• Worked out design details from the technical side in close cooperation with thedesigner, writing turnkey projects• Established a convenient system of management and project managementwithin the company• Involved in PR, mentoring, elaboration of tools for quick start of new projects,distribution of workload and setting deadlines for projects• Daily set tasks and checked PR, constantly monitored project status and closelyinteracted with the project manager• Acted as a mentor and technical leader, trained other employees• Implemented projects in various areas and technologies, including maps, SDKintegrations with YouTube, Twitter, Facebook, Google, Firebase, Foursquare,Open maps, etc.• Performed refactoring of third-party legacy code• Took responsibility for releasing apps in the App Store• Worked out modification of the VIPER architecture with templates for modulecreation, allowing faster start of projects, easier division of responsibilities of other developers and simplified checking of multiple PRs

iOS Developer

Application for trading binary options on customer's own platform. At the stage of joining the team, there was an old platform version without an application and a new platform with a new version of API in development, so a turnkey application had to be created to support a quick transition to a new platform version after a short delay.• Independently developed application architecture within the reactive approach • Implemented the history of quotes and offline operations to provide the mostconvenient and beautiful interaction with stock charts and operations with them • Released the app in the App Store• Worked out and adjusted the constantly changing platform to meet thecustomers' requirements together with other developers

~ Design of mobile applications for iOS and Android~ UX/UI design~ Prototyping of mobile apps, that can helps for developers and customers, for betetr understanding of Animation and logic of App.~ Customer Specific Solutions