Олександр

OLEKSANDR HATSENKO
JAVA DEVELOPER

CONTACT PROFILE
I am a skilled Java Developer, proficient in Java Core, OOP, and web technologies
[открыть контакты](см. выше в блоке «контактная информация») (Telegram) like Hibernate, Spring, and servlets. My expertise extends to RDBMS, JDBC, and
version control (Git), enabling me to build efficient, scalable applications. I excel in
[открыть контакты](см. выше в блоке «контактная информация»)
teamwork and thrive under pressure, ensuring project success even in challenging
situations. Committed to growth, eager to contribute my skills to dynamic software
Skype
projects and further develop my career.
LinkedIn As a research scientist, my experience fosters a strong foundation in analytical
thinking and problem-solving, skills that seamlessly translate into proficient Java
GitHub programming.

Kyiv, Ukraine
WORK EXPERIENCE
remote
Java Developer 2024

TOV “KZVO”
SKILLS Spearheaded the development of a Java Spring backend application for a self-service
Java Core, Java 8, Collections, OOP, SOLID checkout system, single-handedly managing the integration with external APIs,
implementing receipt printing, and POS terminal payments.
DB: JDBC, Hibernate, RDBMS Leveraged a comprehensive tech stack including Java, Spring Framework, JavaFX,
(PostgreSQL, H2, MySQL) and database technologies to deliver robust and efficient solutions tailored to the
unique requirements of the projects.
Web Development: Servlets, Tomcat, JSP,
Technologies: Spring (Boot, Data JPA, Web), Lombok, JUnit, Jacob, Mockito,
HTML/CSS, XML, JSON Spring (Spring Core, Docker, Liquibase, and JavaFX
Spring Web, Spring Security, SpringBoot) Java Developer 2023 - 2024
Tools & Libraries: Maven, JUnit, Mockito Mate Academy
Enterprise/integration design patterns Engaging in daily meetings honed my communication skills, while working under tight
deadlines enhanced my project management capabilities. Participation in code reviews
Operating systems: Linux, Windows
facilitated constructive feedback and improved my coding practices. I diligently
Version Control Tool — Git documented my projects, showcasing my attention to detail.
IDE — IntelliJ IDEA Bookworm's Haven - a RESTful web application that allows users to create books,
manage categories, place orders, manage shopping carts, and update order statuses.
English — Intermediate
Technologies: Spring (Boot, Data JPA, Web, Security), Lombok, JUnit, Mockito,
Docker, and Liquibase.

EDUCATION SwiftDrive - a RESTful web application that provides a car rental service, allowing
users to select a car, create orders, make payments, etc.
Java full-time course
Technologies: Spring (Boot, Data JPA, Web, Security), Lombok, JUnit, Mockito,
Mate Academy Docker, Liquibase, Stripe API and Telegram API.
2023
Researcher 2008 - 2023
PhD degree in Solid State Physics
G.V.Kurdyumov Institute for Metal Physics IMP NAS of Ukraine
NAS of Ukraine Engaging in research, scientific paper writing, and presenting at conferences don't
2008 - 2012 only advance my skills as a Java programmer, but also involve the utilization of
software packages such as LAMMPS, MATLAB, R, and ImagePro. These tools played a
Specialist Materials Science crucial role in my work, enabling video and image analysis, statistical processing, and
National Technical University of Ukraine simulation-based modeling. This combination of honing programming skills and
“Igor Sikorsky Kyiv Polytechnic Institute” employing specialized software equips me to approach Java development with a
2002 - 2008 distinct perspective, merging theory and practical application for more sophisticated
and innovative solutions.

ACHIVEMENTS
Scholarship of the President of Ukraine for young scientists
Prize of the Verkhovna Rada of Ukraine for young scientists in 2020 (diploma and
medal)
Participation in foreign international conferences (oral and poster presentations)