Hi, I’m Vitalii, a third-year computer science student in Warsaw, Poland, actively seeking an internship as a software engineer. I have a solid foundation in backend development and a passion for building scalable systems using Java and C#. I enjoy turning complex problems into practical solutions and collaborating with teams to deliver high-quality code. Hi, I thrive on solving problems, learning new technologies, and applying best practices. I have hands-on experience with ASP.NET Core, Spring Boot, and data architecture, and I am eager to contribute to challenging projects while growing as a software engineer.…

Vitalii Korytnyi

Hi, I’m Vitalii, a third-year computer science student in Warsaw, Poland, actively seeking an internship as a software engineer. I have a solid foundation in backend development and a passion for building scalable systems using Java and C#. I enjoy turning complex problems into practical solutions and collaborating with teams to deliver high-quality code. Hi, I thrive on solving problems, learning new technologies, and applying best practices. I have hands-on experience with ASP.NET Core, Spring Boot, and data architecture, and I am eager to contribute to challenging projects while growing as a software engineer.…

Available to hire

Hi, I’m Vitalii, a third-year computer science student in Warsaw, Poland, actively seeking an internship as a software engineer. I have a solid foundation in backend development and a passion for building scalable systems using Java and C#. I enjoy turning complex problems into practical solutions and collaborating with teams to deliver high-quality code.

Hi, I thrive on solving problems, learning new technologies, and applying best practices. I have hands-on experience with ASP.NET Core, Spring Boot, and data architecture, and I am eager to contribute to challenging projects while growing as a software engineer.

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Skills

Experience Level

Spring
Expert
SQL
Expert
C#
Expert
Github
Expert
Java
Expert
JavaScript
Expert
PostgreSQL
Expert
C++
Expert
Python
Expert
Docker
Expert
Jira
Expert
Kubernetes
Expert
MySQL
Expert
bash
Intermediate
AWS
Intermediate
Oracle
Intermediate
CSS
Intermediate
XML
Intermediate
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Language

English
Advanced
Polish
Intermediate
Ukrainian
Fluent
Russian
Fluent

Work Experience

Software Engineer Intern
August 31, 2025 - October 15, 2025
Designed and developed RESTful APIs using Spring Boot to manage student enrollment and course data, enabling seamless integration with new front-end features. Implemented an in-memory caching layer to improve response times for cached endpoints by over 60%. Built a role-based authentication and authorization system using Spring Security to protect API endpoints and segregate access to catalog management features. Created unit and integration tests with JUnit 5, achieving over 80% code coverage for the enrollment module. Contributed to a multi-layer web application architecture (Spring Boot, Spring MVC, Hibernate) and developed projects including Edu Library Manager and a 2D roguelike game.

Education

Bachelor of Computer Science at Polish-Japanese Academy of Information Technology in Warsaw
October 1, 2023 - February 3, 2027

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Education, Professional Services, Gaming, Media & Entertainment, Computers & Electronics
    paper EduLibrary Manager
    This project is a full-stack Spring Boot web application with a complete front-end interface for managing a digital book catalogue featuring user authentication and role-based authorization. It enables users to browse, add, and manage books within an educational library environment, providing a structured and secure workflow. The system implements role-based access control to differentiate between Readers, Publishers, Librarians, and Administrators, ensuring that each user type has appropriate permissions and access to specific functionalities. • Tech Stack: Java, Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Hibernate, H2 Database, HTML, CSS, Bootstrap, Thymeleaf. resume…