Назар

Nazar Lisovskyi
Junior Java Developer
Zhytomyr, Ukraine | Remote
Phone: [відкрити контакти](див. вище в блоці «контактна інформація») | Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
Telegram: t.me/lisovskyi14 | GitHub: github.com/Lisovskiy14

Summary
Motivated Junior Java Developer with a solid academic foundation in Computer Engineering and hands-on
experience building RESTful APIs, microservices, and concurrent backend applications. Proficient in the
Spring ecosystem and PostgreSQL, with a strong focus on clean architecture and problem-solving.

Technical Skills
● Languages: Java (Core, OOP, Stream API), SQL
● Frameworks: Spring Boot, Spring Web (REST), Spring Data JPA, Spring Security, Hibernate
● Architecture & Messaging: RESTful APIs, Microservices, Apache Kafka
● Databases: PostgreSQL (ACID), Liquibase
● Tools & DevOps: Docker, Git, Gradle, Maven, OpenAPI (Swagger), Postman
● Testing: JUnit, Mockito

Pet Projects

Meal Planning Microservices Ecosystem | [Private Repo]
● Designed a distributed backend using Spring Boot with an API Gateway routing traffic to independent
Recipe and Meal Planning microservices backed by PostgreSQL.
● Implemented event-driven communication via Apache Kafka to asynchronously synchronize simplified
recipe snapshots across services, configuring reliable message consumption.
Personal Blogging Platform API | [GitHub]
● Designed and built a backend API for a personal blogging project, focusing on clean code and reliable
architecture.
● Engineered a dynamic role hierarchy and permission management system from scratch to control user
access.
● Implemented secure user authentication and authorization utilizing Spring Security and JWT.
Price Monitoring System via Telegram | [GitHub]
● Developed a highly concurrent backend service to track item prices via a Telegram bot interface.
● Implemented Java Virtual Threads to handle thousands of monitored items efficiently and maintain
performance under high concurrency.
● Incorporated a streamlined list of bot commands for user interaction: <url> for item registration,
/all for viewing the watchlist, and /remove <url> for deleting items.

Education
National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”
Bachelor’s Degree in Computer Engineering (FIOT 123)
Expected Graduation: 2027

Languages
● English: Intermediate (B1)
● Ukrainian: Native