Назар

Nazar Hetun [open contact info](look above in the "contact info" section)

[open contact info](look above in the "contact info" section) (Telegram)

JAVA DEVELOPER Linkedin

Rivne, Ukraine/ remote/ office

s umma ry SKILLS
I am a Java Developer with 4 years of commercial experience specializing Java: Java 21, Java Core, OOP,
in high-load enterprise logistics platforms. My core expertise includes Java SOLID

21, Java EE, and Spring, with a strong focus on system performance and Frameworks: Java EE (Jakarta
business logic optimization. I have experience working alongside senior-level
EE), Spring (Core, Web, Security,
experts in highly organized teams. Enjoy tackling complex, non-obvious
Boot)

problems where standard solutions don't apply, using a deep-dive analytical
approach to find the root cause. Leverage cutting-edge AI tools like Claude Database: Oracle, Hibernate,
Code and Junie AI Agent to enhance development efficiency. PostgreSQL

AI Tools: Claude Code, Junie AI
Agent, JetBrains AI, MCP

EXPERIENCE Tools: Gradle, TeamCity, Maven,
Middle Java Developer | Agistix JUnit, Mockito

2021 – Present Observability: ELK Stack
(Elasticsearch, Logstash, Kibana)

Technologies:Java 21, Java EE, Oracle DB, Hibernate, Gradle, Docker,
Infrastructure: Docker, Wildfly

TeamCity, ELK Stack.

Version Control: Git

Responsibilities:

Languages: English (Intermediate)
- Maintained and developed a global logistics platform for enterprise-
scale clients to manage and track shipments.

- Completely refactored the shipment rating logic, which significantly achievements
accelerated the rating process and improved overall system throughput.
Oracle Certified Professional
- Developed and implemented new custom tools and features based on (OCP) – Obtained in 2023.

specific requirements from large-scale corporate clients.
Successfully optimized mission-
- Managed large-scale dependency updates and migrations within a critical logistics algorithms,
monolithic codebase of 500K+ lines of code, ensuring system stability and reducing execution time for rating
mitigating technical debt.
processes.

- Monitored and debugged complex system behaviors using the ELK Developed and integrated AI-
stack.
 driven code review skills tailored
to company standards

Multiple prize winner at regional
EDUCATION mathematics Olympiads.

National Technical University of Ukraine "Kyiv Polytechnic
Institute" a DDITIONA L eDUCATION
Bachelor Degree in Electronic Devices and Equipment, 2015-2019
JetBrains AI Course
2026

Java Full-time Course
Mate Academy (2021)