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OLEH KOZLOVSKYI
.NET BACKEND DEVELOPER

PROFILE
CONTACT Results-driven .NET Backend Developer with 1+ years of experience designing
scalable clean architecture applications. Proficient in C#, ASP.NET Core, EF
[open contact info](look above in the "contact info" section) Core, and cloud integration with Azure. Experienced in implementing AI
features, including LLM integration for content generation and background
[open contact info](look above in the "contact info" section) processing pipelines. Focused on delivering optimized, business-oriented
backend solutions that improve system efficiency.
Lviv, Ukraine

WORK EXPERIENCE
EDUCATION
PLATOO MAY 2025 - PRESENT
Junior .NET Backend Developer
2022 - 2023

WEST UKRAINIAN NATIONAL Developed core business logic using Clean Architecture, ensuring
scalable and maintainable backend systems.
UNIVERSITY
Integrated DeepL API for automated menu translation, implementing
Bachelor's degree, Computer
asynchronous background processing that improved system
Engineering
responsiveness by 40%.
Bachelor's degree, Enhanced application reliability and API safety by introducing
Information Systems and FluentValidation and a custom exception handling system with
Technologies ProblemDetails.
Streamlined restaurant onboarding by 50% through automated QR-
2015 - 2019 code generation and translation workflows.
Implemented integration tests and optimized asset management
SAMBIR TECHNICAL using Azure Storage, reducing related storage costs by 25-35%.
COLLEGE OF ECONOMICS Integrated LLM capabilities to automate the generation and
AND COMPUTER SCIENCE enhancement of high-quality descriptions for digitized menu items.
Junior Specialist`s Degree,
Computer Software Technology
Team Challenge MARCH 2025 - MAY 2025
.Net Backend Developer
LANGUAGES
Built an automated image management module, implementing
English (B1) compression that reduced file sizes by 4x to 10x and cut cloud storage
Ukrainian (Native) usage by over 75%.
Significantly improved product page load times and frontend
SKILLS performance across the e-commerce marketplace.

NDA June 2024 - December 2024
C# / .NET Core
Trainee .NET Backend Developer
ASP.NET Core Web API
Designed a secure REST API using Clean Architecture, SOLID
Entity Framework Core principles, and JWT-based authentication (RBAC).
PostgreSQL Developed an appointment scheduling module ahead of schedule,
increasing user management efficiency by 40% and reducing
Сlean Architecture & SOLID
processing time by 30%.
Unit & Integration Testing
LLM & DeepL API Integration