22.08.2025 aktualisiert

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Senior Software Engineer

Pulheim, Deutschland
Deutschland
Diplom Informatiker (FH)
Pulheim, Deutschland
Deutschland
Diplom Informatiker (FH)

Profilanlagen

CV-Eugen_Reinus.pdf

Skills

Java, SQL, PL/SQL, JavaScript, Groovy, C#, PHP , Python,
[Dart, Ruby, Go]*,
Spring, Spring Boot, Spring Batch, JEE, JPA, Hibernate,
Toplink/EclipseLink, PHP Symfony,
JMS, REST , SOAP WebServices, TIBCO ESB, [quarkus, Vert.x]*,
Android, JSF/PrimeFaces, Vue.js, Ember .js, GWT , JSP ,
Struts, Swing, Java-Applets, HTML, CSS, [Polymer-JS,
Angular.js, Vaadin, ActionScript/Flex]*,
Elasticsearch, Oracle, MySQL/MariaDB, PostgreSQL,
Sybase, MS SQL Server, H2, Redis,
Tomcat, JBoss, Glassfish, Oracle WebLogic,
Maven, Ant, Gradle,
Git, Subversion, Jenkins, Docker, OpenAPI/Swagger,
JUnit, Selenium, Mockito, JMeter, MapStruct,
IntelliJ IDEA, Eclipse, Android Studio, VS Code,
Google Maps on Android, HERE Maps on Android,
Highcharts-JS, [WebRTC]*
[marker for spare time experience level]*

Sprachen

DeutschverhandlungssicherEnglischgutRussischMuttersprache

Projekthistorie

Freelancer - Senior Software Engineer

virtual7 GmbH / Project for Informationstechnikzentrum Bund (ITZBund) Hamburg, Germany

Internet und Informationstechnologie

50-250 Mitarbeiter

Software architecture, development
- Worked on the RIKO project
- Maintained and extended a JEE/Spring based risk management
system with a JSF/PrimeFaces frontend and Oracle database
- Except for the daily business as bugfixing and different
requirements implementations this are the most interesting
parts on which i worked on:
◦ worked on the new powerful search architecture with
Elasticsearch involved
◦ migrated some EJB-Services to Spring
◦ migrated RIKO-Application from JBoss-EAP 7.4 to 8.0
together with Spring Boot from 2.7 to 3.3
- Supported developer and test colleagues
- Prepared Jenkins jobs
- Main used technics: JavaEE (JSF/PrimeFaces, EJB, JPA/Hibernate),
Spring Boot, REST-Services, Elasticsearch, Oracle DB,
Maven, Jenkins, Git, IntelliJ IDEA,
Oracle WebLogic JEE Server, JBoss-EAP 7.4, JBoss-EAP 8.0

Freelancer - Senior Software Engineer

GEBIT Solutions GmbH

Konsumgüter und Handel

50-250 Mitarbeiter

Software architecture, development

Project for a DIY store
  • Worked on an ERP system project
  • Implemented requirements and bugfixes on an existing ERP system
  • The ERP system based on a proprietary framework (TREND-Framework), which was used to extend and create GUIs, implement the business logic and test it

Project for a food-retailer/discounter
  • Worked on a checkout/till and related backoffice system
  • Implemented requirements and bugfixes on an existing codebase based on a proprietary framework (TREND-Framework) and tools
  • Main topics were: analyse requirements and bugs, extend and design till process workflows, extend and design reports, extend and design REST and SOAP interfaces for data import/export, code refactoring, define and write integration and unit tests, documentation, release preparation
  • Worked on a Python script for documentation export from proprietary documentation system (TREND/Analyst) to Atlassian-Confluence
  • Supported developer and test colleagues
  • Participated in code reviews
  • Main used technics: Java, proprietary framework (MDA, workflow, persistence, communication, GUI), Maven, Jenkins, PostgreSQL, H2 Database, Git, Eclipse with proprietary framework related plugins, proprietary framework for integration tests (Integrity), proprietary reporting engine, OpenAPI plugin for contract first interface definition, WildFly Application Server

Freelancer - Senior Software Engineer

USU Software AG / Project for Informationstechnikzentrum Bund (ITZBund)

Öffentlicher Dienst

1000-5000 Mitarbeiter

Software architecture, development
  • Worked on the DAC 6 project (DAC 6: EU tax disclosure rules)
  • Designed and implemented an Application based on Spring Batch Jobs to process tax arrangement data
  • Main topics were: technical sub-system design and documentation, generate large XML files (up to 100 MB) with JAXB, implement Oracle PL/SQL Procedures, Reporting SQL Views, different types of tests (Unit-Test; Integration-Tests; System-Tests; Stress-Tests)
  • Developed a WebApplication GUI with JSF/PrimeFaces with strict accessibility requirements especially for blind users
  • Define JUnit and Selenium Web-GUI tests
  • Prepare Jenkins jobs
  • Supported developer colleagues
  • Supported test team
  • Participated in code reviews
  • Main used technics: Spring, Spring Batch, Maven, Oracle, JSF/PrimeFaces, Eclipse

Kontaktanfrage

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