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Denys Kolomiichuk
Junior Full-Stack Developer
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Ukraine, Vinnytsia, Remote

Profile
Aspiring Full-Stack Developer with hands-on experience in small projects using C#,
ASP.NET Core, Unity, React, and Flutter. Skilled in OOP, event-driven architecture,
and implementing interactive features. Experienced in developing RESTful APIs with
ASP.NET Core and working with relational databases using SQL. Familiar with
building responsive user interfaces in React, managing state, integrating front-end
with back-end services, and developing cross-platform mobile applications in
Flutter.

Hard skills
• C# • SOLID • Jira

• ASP.NET • Flutter • React

• OOP • Git • SQL

Soft skills
• Analytical skills • Accepting feedback • Effective communication

• Critical thinking • Problem solving skills • Adaptability

Projects
1. Game Platform Prototype – Full-Stack Developer (Backend & Frontend)
Personal Project
• Designed and implemented a relational database schema using MySQL,
ensuring scalable and efficient data structures.
• Developed a RESTful ASP.NET Core Web API, including controllers, models,
services, and business logic layers.
• Built a responsive React frontend to interact with the backend API,
providing dynamic UI and real-time data updates.
 • Delivered robust API endpoints to support frontend integration and
enable real-time data flow between client and server.
• Deployed the application on [Vercel] and published the codebase on
[GitHub], demonstrating complete development lifecycle management.
2. Checkers 3D – Unity Game Developer
Personal Project
• Designed and developed a fully playable 3D Checkers game using Unity
and C#.
• Implemented turn-based gameplay mechanics, board logic, and object
interactions.
• Utilized object-oriented principles and event-driven architecture to
manage game flow.
• Deployed to [GitHub] and [itch.io], showcasing UI design and user
experience skills.
3. I Am Bored – Flutter Developer
Personal Project
• Created a Flutter app that was created as a tool to find something to do
when you're bored.
• Deployed to [Github]

Education
Bachelor of Computer Science
Vinnytsia National Technical University | 2022 - Present

CS50: Introduction to Computer Science

Harvard (edX) | 2024

Work-study program

Delphi Software| 2025

Languages
• English – Intermediate (B1)
• Ukrainian – Native speaker