Дмитро

KUIAN DMYTRO
JAVA DEVELOPER

CONTACT PROFILE

Phone number: Experienced Java Developer with 3 years of building scalable
[open contact info](look above in the "contact info" section) backend systems using Java (versions 17–21), Spring Boot, REST
APIs, and microservices architecture. Skilled in designing robust
Email address:
services across diverse domains such as travel, technology, and
[open contact info](look above in the "contact info" section)
retail. Proven ability to enhance legacy systems while
Telegram: @dimakuian
maintaining high code quality through comprehensive testing
LinkedIn: [open contact info](look above in the "contact info" section)
and clean coding practices. Proficient with development tools
kuian-5604aa253
including Git, Docker, Jenkins, and cloud platforms such as
Address: Lviv, Ukraine
AWS. Adept at solving complex, real-world problems and
delivering efficient software solutions within collaborative Agile
teams.

SKILLS EXPERIENCE

Java, Spring Boot, Spring MVC, (EPAM) Java Developer
Spring Security, Spring Data JPA, 2024 – Present
Hibernate, JPA, JDBC, SQL, MySQL, Domain: Retail & Distribution
NoSQL, REST API, REST, JSON, Git, Developed a microservice from scratch using Spring Boot,
Maven, Gradle, Docker, JUnit, designed the database schema, and implemented core
Mockito, OOP, SOLID, Design business functionality. Integrated the service with other
Patterns, Microservices, CI/CD, microservices via REST APIs and Kafka, applying software design
Spring Framework, RabbitMQ, principles for scalability. Enhanced existing services to meet
IntelliJ IDEA, Jira, AWS, Agile/Scrum evolving client requirements. Ensured high code quality through
unit testing with JUnit and Mockito, and contributed to
EDUCATION documentation and CI/CD pipeline workflows.
BACHELOR Automatic Control Of
Technological Processes Tools & Technologies:
LVIV POLYTECHNIC NATIONAL Java 21, Spring Boot, Spring Data, REST API, Kafka, Hibernate,
UNIVERSITY | SEP 2022 – JUnit, Mockito, Docker, GitHub, Jenkins, Apache Maven
CURRENT Lviv, Ukraine
(EPAM) Java Developer
TECHNICAL SCHOOL GRADUATE March 2024 – September 2024
Electronics Domain: Software & Hi-Tech
and computer systems Upgraded the platform from Spring Boot 2.7 to 3.2.5 and JDK 17
TECHNICAL COLLEGE OF LVIV to 21, resolved dependency conflicts, and migrated API clients
POLITECHNICAL to RestClient. Designed and migrated database tables, fixed
UNIVERSITY | SEP 2008 – MAY 2012 bugs, optimized performance, and wrote unit tests with JUnit
Lviv, Ukraine and Mockito.

Tools & Technologies:
Java 21, Spring Boot, Spring Data, Spring Batch, Hibernate,
MySQL, Amazon RDS, Amazon EC2, Rundeck, Postman,
Mockito, Jenkins, GitHub, DbVisualizer, Apache Maven
Soft Skills & Interests (EPAM) Junior Java Developer
November 2023 – February 2024
Team collaboration, problem- Domain: Travel & Hospitality
solving, attention to detail, Developed a custom object mapping library using MapStruct
continuous learning to transform data between OTA and APIS formats. Wrote unit
tests, resolved integration issues, created Postman collections
Hobbies: Running, Cycling, Hiking, for API validation, and maintained clean, well-documented
Football Java code.
Tools & Technologies:
Java 17, Spring Framework, REST API, MapStruct, Mockito, JUnit,
AWS, Sonar, Postman, Jenkins, Gradle, GitHub, Oracle RDBMS

(EPAM) Backend Developer
March 2023 – October 2023
Domain: Cargo Delivery
Built a RESTful web application using Spring Boot and Spring
MVC with user authentication, role-based access, and delivery
management features. Designed the database with Spring
Data JPA, implemented DTO validation and error handling,
configured Swagger and Actuator, and wrote unit tests for
service and controller layers.

Tools & Technologies:
Java 8, Spring Boot, Spring MVC, Spring Data JPA, Hibernate,
JUnit 5, Mockito, REST API, Lombok, Swagger, MySQL, Spring
Actuator