Contact information

The job seeker has entered a phone number , email and LinkedIn.

You can get this candidate's contact information from https://www.work.ua/resumes/1829812/

Work experience

Full stack Senior Java Engineer

from 10.2019 to 11.2025 (6 years 2 months)
PRÄMIE DIREKT GmbH, Germany, Дистанційно (IT)

Full-stack Java developer.

Worked on developing an old aggregation platform for rewards services (SaaS). Provided services to companies such as Allianz and L'Oréal. Developed all aspects of the platform, such as the admin panel and web interface for clients.

Technologies:
Spring Boot, Hibernate, MySQL, REST, Tomcat, JSP, jQuery, Bootstrap, Less4j, Angular, Docker, Kubernetes, Log4j2, Playwright (UI testing), Gradle, Lucene.

Services:
AWS Services, Confluence, Bitbucket, Payone, Auth0, Snyk, Sumo Logic.

Responsibilities:
- Support the platform, including developing new features, expanding database structures, optimizing performance, etc. Update the platform to the latest modern technologies. Ensure security by eliminating vulnerabilities of any severity.
- Migrate Spring 2.5 + Struts 1 to Spring 6 + Spring 6 MVC
- Migration of Hibernate 3 to Hibernate 6
- Migration of Selenium UI testing to Playwright
- Payment integration (Payone)
- Authentication integration (Auth0)
- Support for Java updates from version 7 to 21 LTS

Full Stack Senior Java Developer

from 05.2016 to 08.2019 (3 years 4 months)
Travactory (tix.nl) Poland, Gdańsk, Дистанційно (IT)

High loaded infrastructure up to 100k users/day
Techniques:
Java:
- Building micro service architecture (Docker/Cloud solutions, Spring, Java8+, Multi-threading, Caching, App's Monitorings, etc..);
- Supporting/maintaining existing legacy code base;
Web-UI/Mobile-adaptive-UI:
- HTML
- Angular/React/JS
Database:
- MS SQL, MySQL, MongoDB, ElasticSearch
Confluence/Jira/Kanban/Agile

Middle Java developer

from 10.2014 to 05.2016 (1 year 8 months)
DAXX, Дніпро (IT)

Technology: Spring(Security, Spring Data), Rest, MongoDB, Google API, JS.
Development of server-side(backend) REST api, planning, configuration, refactoring, optimization and all cycles of work

Java developer

from 08.2014 to 04.2017 (2 years 9 months)
Face-Star Social service, Дніпро (IT)

Technology: Spring Framework, REST API, Security, EhCache), Hibernate, Spring Data, JPA, JavaScript, Ajax.
Server configuration, agile planning.
Development of logic: Chat, Search engine, Mail notification, Contest calculation, Admin page, Personal cabinet, Image processing, Mobile version.

Java Junior

from 10.2013 to 08.2014 (11 months)
PFSoft (http://www.protrader.net), Дніпро (IT)

Technology: Struts/Struts2, Tiles, JDBC
Server-side development(enhancement, bug fixing)
Exchange integration via protocols: FIX, WS, HTTP, binary and different API

Education

ДИИТ

МТ, Днепропетровск
Higher, from 2004 to 2009 (5 years)

Additional education and certificates

Онлайн занятия J2SE

3 мес

Самостоятельного обучения

6 мес

Java Junior Developer

1 мес

Knowledge and skills

• Java
• Spring boot
• Spring Framework
• Git
• Hibernate
• MySQL
• JavaScript
• Docker
• JUnit
• SQL
• CSS
• HTML
• JQuery
• Angular
• TypeScript
• Vue
• SaaS
• Apache Maven
• Gradle
• IntelliJ IDEA

Language proficiencies

• Polish — average
• English — above average

Additional information

•Micro service architecture, cloud solutions
•Spring Framework, Hibernate, JPA, Caching, Multi-threading;
•RDBMS: MySQL, MSSQL, MongoDB;
•MVC: JSP, JSTL, Servlet, Tiles;
•Web: HTML, JavaScript, Bootstrap, Knockout, Angular;
•Experience in communication protocols: REST, WS, SOAP, Json
•Dev tools: SVN, Git, Maven/Gradle
•Tomcat