Contact information

You can get this candidate's contact information from https://www.work.ua/resumes/20003476/

Work experience

Java developer

from 02.2025 to now (1 year 8 months)
TjHelpers, Київ (IT)

Java Intern:
Feb 2025 – Jul 2025
Worked on a microservices-based Java/Spring Boot backend as part of an outsourcing project.
Developed and maintained REST API endpoints under the guidance of senior developers.
Implemented business features and fixed bugs in the existing backend.
Worked with PostgreSQL, Spring Data JPA and Hibernate.
Wrote unit tests using JUnit 5 and Mockito.
Used Git and Maven as part of the development workflow.
Worked with Retool to create and modify internal administrative tools.

Junior Java Developer:
Jul 2025 – Present
Developed and maintained RESTful APIs using Spring Boot in a microservices-based backend.
Implemented business features, including new REST endpoints and enhancements to existing APIs.
Fixed production bugs and refactored backend components to improve maintainability.
Wrote unit and integration tests using JUnit 5 and Mockito.
Worked with PostgreSQL, Spring Data JPA and Hibernate for data persistence.
Implemented request validation, pagination and other API improvements.
Developed internal tools and administrative forms using Retool.
Independently handled assigned development tasks within a large existing backend codebase.

Education

Національний університет «Київський авіаційний інститут»

Комп’ютерна інженерія, Київ
Unfinished higher, from 2022 to 2026 (4 years)

Knowledge and skills

• Java
• Apache Maven
• JUnit
• Apache Tomcat
• Spring Framework
• Spring Data JPA
• Spring Web
• Git
• BASH
• AssertJ
• PostgreSQL
• Знання технологій JDBC
• Mockito
• Hibernate
• Spring boot
• Spring Security
• Lombok
• Docker
• REST API
• Flyway
• HTML
• CSS
• Postman
• Swagger
• Jira
• Knowledge of OOP principles
• Basic C/C++
• Basic JavaScript
• Testcontainers
• SOLID/TDD/BDD/KISS
• SLF4J

Language proficiencies

• English — average
• Ukrainian — fluent