Контактная информация

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Опыт работы

Full stack Lead Java Engineer

с 10.2019 по 11.2025 (6 лет 2 месяца)
PRÄMIE DIREKT GmbH, Germany, Дистанційно (IT)

Full-stack Java developer.

Worked on developing an old aggregation platform for rewards services. 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

с 05.2016 по 08.2019 (3 года 4 месяца)
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

с 10.2014 по 05.2016 (1 год 8 месяцев)
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

с 08.2014 по 04.2017 (2 года 9 месяцев)
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

с 10.2013 по 08.2014 (11 месяцев)
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

Образование

ДИИТ

МТ, Днепропетровск
Высшее, с 2004 по 2009 (5 лет)

Дополнительное образование и сертификаты

Онлайн занятия J2SE

3 мес

Самостоятельного обучения

6 мес

Java Junior Developer

1 мес

Знания и навыки

• Java
• Spring boot
• Spring Framework
• Git
• Hibernate
• MySQL
• JavaScript
• Docker
• JUnit
• SQL
• CSS
• HTML
• JQuery
• Angular
• TypeScript
• Vue

Знание языков

• Польский — средний
• Английский — выше среднего

Дополнительная информация

•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