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Location

Ukraine

Rate

$20  / per hour

Years of experience

16+

About

I am a certified Microsoft developer specializing in UI development for Windows Desktop and Tablets using C#. My career spans over a decade, with extensive experience in Enterprise development, eCommerce, and Healthcare industries. I excel in creating custom UI controls and styles, as well as in front-end and back-end development. My technical expertise includes working with various technologies such as .NET, WPF, UWP, Xamarin, React Native, Angular, and Vue. I am well-versed in implementing complex application architectures, cross-platform development, and integrating advanced business logic and services. Currently, as a Team Lead at Aura, I am responsible for the UI development and redesign of a Windows desktop VPN application. I have led significant projects, including developing the most popular VPN solution for Windows, ensuring high-quality user experiences through custom UI controls and styles. In my previous role as an Engineering Lead at Star, I worked on Windows 10 Universal and Desktop apps, and mobile applications using Xamarin and React Native. Additionally, I have contributed to various projects in full-stack web development, utilizing technologies like Node.js, GraphQL, and PostgreSQL. My career is marked by a commitment to code quality and mentoring, supported by a robust set of Microsoft certifications.

Tech Stack

System Administration, C#, CSS, GraphQL, Node.js, OpenVPN, Prism, React, SCCM, Vue, Windows, WPF

Experience

  • UI Development and Redesign: Leading the development and full redesign of Windows desktop applications, ensuring a seamless and intuitive user experience.
  • Custom UI Controls and Styles: Creating and implementing custom UI controls and styles to enhance application functionality and aesthetics.
  • Application Architecture Development: Designing and developing complex application architectures for both front-end and back-end systems.
  • Cross-Platform Development: Developing cross-platform solutions using technologies like Xamarin, React Native, and UWP to ensure compatibility across different devices and operating systems.
  • Business Logic and Services Integration: Implementing advanced business logic and integrating various services to enhance application capabilities and performance.
  • Code Quality and Mentoring: Ensuring high code quality through rigorous reviews and mentoring junior developers on best practices and efficient coding techniques.

Employment history

Team Lead, Aura March 2019 - Present

Windows desktop (WPF) VPN app development
• Desktop application UI development
• Commit UI/UX decisions, full redesign
• Custom UI controls development
• Custom UI styles development
• Business logic and services development
• Development of most popular VPN solution for Windows

Technologies used: C#, .XAML, NET 4.8, WPF, WCF, Prism, OpenVPN, Hydra protocol

Engineering Lead, Star August 2015 - March 2019

Windows 10 Universal app (UWP) development
• Application architecture development
• Custom UI controls development
• Custom UI styles development
•Cross-platform development (PCL for Xamarin)
• Front-end development of the application

Windows 10 Desktop app (WPF) development
• Cross-platform architecture development
• Porting Windows 10 (UWP) controls to WPF
• Porting Windows 10 (UWP) functionality to WPF

Android mobile app (Xamarin, C#)
• Cross-platform business logic development
• OAuth 2.0 authentication, SSO (single sign on)
• Global error handling, Logging, Google analytics
• Input validation, implementing business rules

Office 365 plugin development (Angular, JS, Android)
• Application architecture development
• Custom CSS styles development
• Front-end development of the plugin

React Native mobile app (React, ReactNative, iOS, Android)
• Application architecture development
• Cross-platform application development
• Custom styles and components development
• Authentication, SSO (single sign on) implementation
• Push notifications and live update implementation

Full Stack web app development (Vue, JS, GraphQL, Node.js)
• Frontend application architecture development
• Custom styles and components development
• Authentication, SSO (single sign on) implementation
• GraphQL Prisma server mutations, query development
• Node.js server side application business logic implementation

Technologies used: C#, .XAML, NET 4.6, Windows 10 Universal App (UWP), WPF, Prism, Telerik
Technologies used: Xamarin for Android, PCL (Xamarin/UWP)
Technologies used: Angular, JavaScript, ES5, HTML5, CSS, Material Design
Technologies used: React, ReactNative, Redux, JavaScript, ES6, CSS
Technologies used: Vue, Vuex, Stylus, Node.js, GraphQL, PostgreSQL, Prisma, JavaScript, ES6

Senior Software Engineer, Livatek February 2014 - July 2015

Windows 8.1 (Metro) app development

• Application architecture development
• Custom UI controls development
• Custom UI styles development
• Front-end development of the system
• Back-end development (with two-way communication)
• Healthcare and real-time monitoring charts implementation

Technologies used: C#, XAML, .NET 4.5.1, Windows 8.1 Metro App (WinRT), WCF, Prism, Telerik

Senior Software Engineer, EPAM Systems April 2013 - February 2014

Windows 8.0 (Metro) app development
• Application architecture development
• Custom UI controls development
• Custom UI styles development
• Front-end development of the system
• Desktop/Tablet UI framework development

Technologies used: C#, XAML, .NET 4.5, WPF, Windows 8 Metro App (WinRT), Prism, Telerik

Middle Software Engineer, Lemberg Solutions September 2011 - March 2013

Integrated system for statistical data processing (Major)
• Kernel and core app development, refactoring
• Custom UI controls development
• Implementing web services and server-side business logic
• Front-end and back-end development of the system
• Import and export subsystems development

Technologies used: C#, .NET 4.0, WPF, WCF, LINQ to SQL, BLToolkit, ADO.NET, Prism, XML, Sybase IQ, Sybase ASE, Sybase ASA

Middle Software Engeneer, Lime Systems September 2009 - August 2011

Automated banking system (Major)
• Kernel and core app development, refactoring
• Implementing server-side business logic
• Database development (design objects, stored procedures, triggers)
• Developing import/export subsystem
• Developing credit cards management subsystem

Coordination and team development (Minor)
•Code review
•Release management

Technologies used: C#, .NET 2.0, ADO.NET, XML, WinForms, WebServices, Remoting, IIS, SQLServer 2008 R2, Oracle, Firebird

Junior Software Engineer, Lime Systems September 2008 - August 2009

Automated banking system (Major)
• UI development using WinForms
• Implementing server side business logic
• Database development (stored procedures, views)

Technologies used: C#, .NET 2.0, ADO.NET, XML, WinForms, Remoting, IIS, SQL Server 2005.

Education history

Lviv Polytechnic National University 2005 - 2011 Master’s Degree, Computer Science

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I agree to and accept that DevsData LLC will provide better user experience by collecting, analyzing and cataloging information about Internet electronic addresses that I have connected with my devices and about the type of my devices (such as the type and version of software) as well as by making automatic decisions (not involving sensitive data). The agreement applies for the legally binding period, or until either the user or DevsData LLC withdraws from the agreement. Withdrawing from the agreement will result in removing the user's data. Please see our privacy policy.

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