Вячеслав

Viacheslav Dubovskyi
Java Software Engineer
Location: Ukraine (remote) | Email: [відкрити контакти](див. вище в блоці «контактна інформація») | Telegram: @the_architect
LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація»)
GitHub: https://github.com/ViacheslavDubovskyi

PROFILE
Java Developer with practical experience building backend systems using Java, Spring, and SQL through academic projects.
Built RESTful APIs with Spring Boot and Hibernate, managed data with PostgreSQL, and performed testing with Postman and
JUnit. Proficient in English, with strong problem-solving skills and a focus on continuous learning. Eager to deliver reliable backend
solutions in collaborative teams while enhancing my technical expertise.

SKILLS
Programming Languages: Java (8, 11, 17, 21) - OOP, Collections, Stream API, Multithreading (basics)
Frameworks and Technologies: Spring Boot, Spring MVC, Data JPA, Hibernate, REST API, JDBC, Java Servlets
Databases: PostgreSQL (SQL queries, JOINs, data modeling), ACID
Tools: Maven, Git, GitHub, IntelliJ IDEA, Postman, Flyway, WildFly, Swagger, Docker
Testing: JUnit, Mockito
Software Development Principles: SOLID, Clean Code practices, CI/CD
Soft-skills: Communication, Teamwork, Critical Thinking, Adaptability, Attention to detail

INTERNSHIP PROJECTS
Employee Manager
A RESTful Spring Boot app for small HR teams with CRUD operations to simplify employee data management.
Implemented PostgreSQL with Flyway for schema versioning and MapStruct for DTO-to-Entity mapping.
Developed Repository–Service–Controller architecture with Hibernate and tested using JUnit and Mockito.
GitHub Link
Library Hub
A library management system built using Java Servlets, JDBC for PostgreSQL, and deployed on a WildFly server.
Implemented CRUD operations for books and designed a modular structure following the repository pattern.
Tested API endpoints using Postman and implemented logging with SLF4J and Lombok.
GitHub Link
Game Shop
A layered console-based application developed to simplify game catalog management for small websites.
Implemented PostgreSQL persistence with Hibernate ORM for the Game entity, managing sessions and transactions.
Developed an alternative persistence solution with JDBC and HikariCP in a separate branch.
GitHub Link

PROFESSIONAL EXPERIENCE
Technical Support Specialist, Hillel IT School March 2022 - June 2025
Reviewed short Java coding assignments on arrays, collections, and OOP for 50+ students in a sprint-format course.
Analyzed reported technical issues and provided remote support for software configuration and troubleshooting.
System Administrator, Hillel IT School February 2021 - February 2022
Installed and configured development environments (JDK, Python, Jenkins, VMware) on Windows and Ubuntu for 40+ student
workstations, enabling effective educational sessions.
Performed software updates and provided technical support for student PCs, executing scripts via command-line tools
(PowerShell and Bash) for system configuration.

EDUCATION
Java Developer Course, Hillel IT School, June-November 2022
https://certificate.ithillel.ua/view/85609485
Odesa I. I. Mechnykov National University, Odessa, Ukraine
Master’s degree in Physics and Astronomy, 2020
Odesa I. I. Mechnykov National University, Odessa, Ukraine
Bachelor’s degree in Astronomy, 2019

LANGUAGES
Ukrainian - Native
Russian - Native
English - Full working proficiency