Леонід

Leonid Karuna
C# Developer

Contact

Dnepr, Ukraine
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Profile Summary
Experienced in building modern web applications and corporate websites
using ASP.NET Core, Blazor, and MVC architecture. I specialize in creating
scalable, maintainable solutions with a strong focus on performance and
clean code.

Combines deep technical expertise with a structured, results-oriented
approach to development. Demonstrates strong problem-solving skills, a
commitment to clean architecture, and the ability to consistently deliver
reliable and high-performance solutions under pressure.

Work Experience

Full Stack Developer | Dijix (Mar 2016 - Present)
- Developed over 48 websites and several desktop applications using C#,
ASP.NET Core, HTML, CSS, and JavaScript, delivering solutions from simple
business sites to custom automation tools.
University Lecturer | IT Step Academy (Oct 2020 – May 2025)
- Conducted comprehensive training programs in C# and the .NET ecosystem,
covering topics such as Windows Forms, WPF, ASP.NET Core (MVC and Web
API), Entity Framework Core, and Dapper.
- Explaining complex programming concepts in an accessible and engaging
manner.
- Guiding students through real-world projects, code reviews, and
debugging sessions.
- Supporting students in building desktop and web applications, from
architecture to deployment.
Backend NET Developer | SYMPTOS(Aug 2022 - Jan 2025)
- Developed and maintained the backend of a clinical trial management SaaS
platform using C#, ASP.NET Core, EF Core, and Dapper.
- Built and optimized data access layers and business logic.
- Integrated external services and APIs.
- Participated in code reviews, sprint planning, and CI/CD workflows.
 Leonid Karuna
C# Developer
Technical Skills

Programming & Frameworks: C#, .NET (5/6/7+), ASP.NET Core, MVC, Blazor
(Server & WebAssembly), Web API, Windows Forms, WPF, LINQ, TPL
(async/await), REST, SignalR.
Data Access & Databases: Entity Framework Core, Dapper, ADO.NET, SQL, T-
SQL, MSSQL, SQLite, PostgreSQL, MongoDB.
Web Technologies: HTML5, CSS3 (Flexbox, Grid), JavaScript (ES6+), React
(Hooks, Components), Bootstrap, RESTful APIs, JSON, Razor.

Tools & Platforms: Git, GitHub, GitLab, Visual Studio, Visual Code,
ReSharper, Postman, Swagger, Fiddler, IIS, Windows VPS/VDS, shared
Windows/Linux hosting, Jira, Microsoft Teams, Zoom.

Projects & GitHub
GitHub: https://github.com/murzilaka2
- Full-stack repositories with C#, ASP.NET Core,
Blazor, and client-side projects.
Heroes Adobe: https://heroesadobe.com
- Browser-based online RPG with character progression,
skills, inventory, and PvP mechanics. Built with
ASP.NET Core and Blazor Server.
Rpg Sharp: https://rpg.dijix.com.ua
- Educational RPG web platform built with ASP.NET
MVC, where players develop their characters by
solving C# programming challenges.
Ms Dijix: https://ms.dijix.com.ua
- Online learning management system for students
with automatic delivery of lecture notes,
homework, tests, books, and project assignments.
Built with ASP.NET Core MVC for streamlined
digital education.

Languages
Ukrainian: Native or Bilingual
Russian: Native or Bilingual
English: Professional Working
 Leonid Karuna
C# Developer
Education
«Step» ECE
Software development, 2013 – 2018
«УУ» (University of Ukraine)
Marketing, 2014 – 2020

Certifications
C# Bootcamp
Google Adwords
IT Rating
SOLOLEARN
CISCO
Microsoft Certificates