Олексій

Oleksii Koniushniak
.NET Developer
Contacts:
Email: [open contact info](look above in the "contact info" section)
Phone: [open contact info](look above in the "contact info" section)
LinkedIn: Oleksii Koniushniak

Expertise summary

.NET Developer with over 7 years of commercial experience in developing enterprise software solutions. Possesses
strong expertise in designing desktop application modules using WPF, building backend services with ASP.NET
Core, and implementing SPA solutions with React.
Experienced in client–server architectures, integration with external services, and developing maintainable and
scalable systems.

Languages : C#, JavaScript
Technologies : .NET Framework, WPF, Telerik UI, ADO.NET, .NET Core, APS.NET Core (MVC, Web API),
Entity Framework Core, RabbitMQ, HTML/CSS, SignalR, Docker
JavaScript : React, Redux, Kendo UI, jQuery
IDEs : Visual Studio, Visual Studio Code, SQL Server Management Studio
DBMS : MS SQL, PostgreSQL
VCS : Git, Azure DevOps
Testing : MSTest, Moq
OOP principles, Design patterns (GoF), Design principles (SOLID)

Professional experience

Company: Delta M Group

2021 – April 2026

Project Role: .NET Developer
Project Description: Enterprise CRM system built on a multi-tier client–server architecture with desktop and web
(SPA) applications.
Responsibilities: Develop, maintain and support application programs for desktop and Web systems. Design and
implement functional modules in an application.
Technologies used: .NET Core, WPF, Telerik UI, ASP.NET Core (Web API, MVC), React, HTML5, CSS3, LESS,
Kendo UI, RabbitMQ, ADO.NET, MS SQL, PostgreSQL

2018 – 2021

Project Role: .NET Developer
Project Description: Enterprise CRM system built on a client–server architecture with desktop application.
Responsibilities: Develop, maintain and support application program for desktop system. Design and implement
functional modules, APIs and plugins in an application.
Technologies used: .NET Framework, WPF, Telerik UI, ADO.NET, Web API

Company: Ukrborg (non-IT)

2017 – 2018

Project Role: Reporting Developer (MS SQL Server)
Responsibilities: Design and develop reports using SQL Server Reporting Services (SSRS). Create complex SQL
queries and optimize stored procedures to ensure efficient data retrieval. Build parameterized and data-driven
reports to support business analytics needs.
Technologies used: MS SQL, T-SQL, SQL Server Reporting Services (SSRS)
Education

National Technical University of Ukraine “Kyiv Polytechnic Institute”,
Master’s degree, Software Engineering
2024 – May 2026

React 18 Course — Udemy
2023

The Complete JavaScript + React Course — Udemy
2019

National Technical University of Ukraine “Kyiv Polytechnic Institute”,
Bachelor’s degree, Computer Engineering
2012 – 2016