Олександр

OLEKSANDR KOZLOVSKYI
Junior .NET C# Developer
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) linkedin Vinnytsia, Ukraine

SUMMARY EXPERIENCE
Junior .NET Developer currently .NET C# Backend Developer 06/2025 - Present
working on a live production project at
EPAM Systems. Build and maintain EPAM Systems
RESTful Web APIs with ASP.NET Core, • Build and maintain RESTful Web APIs with ASP.NET Core, covering controllers,
deliver new features, fix backend routing, error handling, and versioning in a production environment.
issues, refactor code, and implement • Deliver new features and fix backend issues in a restaurant management system
AI agents in C#. Strong grounding in while following clean architecture principles.
clean architecture, SOLID, and testing, • Refactor backend code to improve maintainability, readability, and alignment with
with hands-on experience across SQL SOLID principles.
and NoSQL systems including • Design and implement AI agents and skills in C#, adding LLM-powered capabilities
PostgreSQL, MS SQL, DynamoDB, and to backend services.
Redis. English B2 (IELTS 6.5) • Write unit and integration tests to improve service reliability and support stable
ongoing development.
• Collaborate in a Scrum team with cross-functional engineers using Git, GitLab, code
SKILLS reviews, and CI/CD workflows.

C#, .NET, ASP.NET Core, Web Backend Developer (Trainee → Junior) 2024 - 06/2025
API, REST API EPAM Systems — Training Program
• Built a GameStore Web API from scratch, including product catalog, authentication,
Entity Framework Core, SQL, order management, and REST endpoints.
PostgreSQL, MS SQL • Developed a .NET backend for a checkers game with a Unity C# client, covering
game logic and real-time state handling.
DynamoDB, Redis, MongoDB • Applied OOP, design patterns, and clean architecture across training projects with
(learning) mentorship from senior engineers.

OOP, SOLID, Design Patterns, EDUCATION
Clean Architecture
B.Sc. in Information Systems and Technologies 2022 - Present
Unit Testing, Integration
Testing, Async, Background Vinnytsia National Technical University
Jobs • B.Sc. in Information Systems and Technologies

Docker, Git, GitHub, GitLab, Finance, Banking and Insurance 2022 - Present
CI/CD basics Vasyl' Stus Donetsk National University
• Part-time study in Finance, Banking and Insurance
Scrum, Agile, Rider, VS Code,
SSMS, Cursor AI, GitHub
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