Get an overview of existing knowledge and skills here.
The indication of the respective level of experience is based on a scale from 0 to 5.
| Category | Designation | Experience | Notes |
|---|---|---|---|
| Working Methods | Kanban | 3.5 | Ticket distribution and processing via Kanban boards |
| OOA / OOD / OOP | 3.5 | object-oriented methods (analysis, design, programming) | |
| Scrum | 2.5 | Process model for agile software development | |
| Architecture Patterns | MVC | 4 | Model View Controller component model |
| J2EE | 3.5 | ||
| REST | 3.5 | Representational State Transfer | |
| SOA | 3 | Service Oriented Architecture | |
| Operating Systems | Windows | 4.5 | |
| Linux | 3.5 | e.g. Ubuntu, SuSE, RedHat | |
| UNIX | 1.5 | AIX, IRIX (SGI), Sun Solaris | |
| Frameworks & Libraries | Spring | 3.5 | |
| JUnit | 3.5 | ||
| Apache Log4J | 3.5 | Logging framework for Java applications | |
| Adobe Scene7 | 3 | ||
| Apache Wicket | 2.5 | ||
| JAXB | 2.5 | Jakarta XML Binding | |
| JFreeChart | 2.5 | ||
| JQuery | 2.5 | free JavaScript library | |
| Bootstrap | 2.5 | free frontend CSS framework | |
| Hibernate | 2 | ||
| Castor | 2 | Open source Java XML data binding framework | |
| Kubernetes | 2 | ||
| Apache Struts | 2 | ||
| Apache Axis | 2 | Axis / Axis 2 | |
| Apache Xalan | 2 | XSLT processor | |
| Apache Xerces | 2 | XML parser etc. | |
| (Container-)Virtualization | Oracle VirtualBox | 3 | |
| Docker | 3 | ||
| Databases | MySQL | 4 | |
| Oracle | 3.5 | e.g. 9i, 10g, 11g | |
| MS Access | 3 | ||
| PostgreSQL | 2.5 | ||
| MS SQL-Server | 2 | ||
| MS Azure DB | 2 | ||
| Sybase SQL Anywhere | 1 | ||
| Data Formats | YAML | 3 | |
| JSON | 3 | ||
| Editors | Visual Studio Code | 4.5 | |
| UltraEdit | 2.5 | ||
| Vim | 2.5 | ||
| Bugtrackers & Ticket Managers | JIRA | 4 | |
| Trac | 3 | ||
| Mantis | 3 | ||
| E-Commerce Platforms | SAP Commerce | 4 | |
| Spryker | 2 | PHP-based e-commerce platform | |
| Development Environments (IDEs) | IntelliJ IDEA | 4 | |
| PhpStorm | 4 | ||
| Eclipse | 3 | ||
| SQL Developer | 3 | ||
| MS Visual Studio | 2 | ||
| Delphi | 2 | ||
| Websphere Application Developer | 2 | ||
| Monitoring Tools | Splunk | 2.5 | |
| OpsGenie | 2 | ||
| Pingdom | 2 | ||
| Grafana | 2 | ||
| Instana | 2 | ||
| New Relic | 2 | ||
| Scalyr | 2 | ||
| Office Applications | MS Teams | 4 | Collaboration platform |
| MS Excel | 3 | ||
| MS Word | 3 | ||
| LibreOffice | 3 | ||
| Programming Languages | Java | 4.5 | |
| PHP | 4.5 | ||
| JavaScript | 4 | ||
| Bash | 4 | ||
| JSP | 3 | Jakarta Server Pages | |
| Groovy | 3 | for data analysis and maintenance in the SAP Commerce environment | |
| PL/SQL | 3 | procedural programming language from Oracle | |
| Perl | 2.5 | ||
| VB Script | 2.5 | ||
| C | 2 | ||
| Visual C++ | 2 | ||
| Visual Basic | 2 | incl. VBA (Access) | |
| Turbo Pascal / Object Pascal | 2 | ||
| XSL | 2 | Extensible Stylesheet Language | |
| T-SQL | 1.5 | Microsoft SQL-Server | |
| ASP .NET | 1 | ||
| Protocols & Standards | SOAP | 2 | Network protocol for remote procedure calls |
| TCP/IP | 1 | ||
| HL7 | 1 | Standard for the exchange of data in the healthcare system | |
| Other Tools | Azure Service Bus Explorer | 4 | |
| Apache Ant | 3.5 | Build tool | |
| Confluence | 3 | Wiki-Software | |
| GitHub | 3 | ||
| TOAD | 3 | Collection of tools for database development and database management | |
| Gradle | 3 | Java-based build management tool | |
| Apache Maven | 2.5 | Build management tool | |
| Jasper Reports | 2.5 | ||
| Apache JMeter | 2 | Tool for carrying out load tests | |
| Crystal Reports | 2 | ||
| TeamCity | 2 | ||
| Languages | German | 5 | Mother tongue |
| English | 2.5 | ||
| Search Engines | FACT-Finder | 3 | |
| Apache Solr | 2.5 | ||
| Endeca | 1.5 | ||
| Stylesheet- & Markup Languages | CSS | 3.5 | |
| HTML | 3.5 | ||
| XML | 3 | ||
| Version Control Systems | Git | 4 | |
| Subversion | 3 | ||
| Perforce | 2 | ||
| CVS | 2 | ||
| Webanalysis- & Tracking Tools | Econda | 2 | |
| Web- & Application Servers | Apache HTTP Server | 3 | |
| Apache Tomcat | 3 | JSP container | |
| Jetty | 2 | ||
| JBoss | 1.5 | ||
| RightFax | 1 | ||
| Cloud Computing | MS Azure Dev Box | 3 | Cloud-based working environment |