I am a passionate software engineer with many years of working experience. I love to work in projects, to help others comming forward and to learn new things. I enjoy mastering the challenges of the various industries together with my customers.
Modernization and further development of java based services and products.
Java 8 - 21, Vaadin, Spring Boot, Java EE, JSON, REST, Openapi, Ansible, Git, Maven, Gitlab, Jira, Confluence, Docker, Podman, JUnit, Mockito, AssertJ, MySQL, JPA/Hibernate/JDBC etc.
Modernization and feature implementation of the core software, as well as migration of applications from Java 8 to 17 and Angular 13 to 16.
Java 8/17, Spring/Spring Boot, Angular, OpenApi, REST, OAuth, Keycloak, JWT, JMS (Apache ActiveMQ Artemis), Kubernetes, Helm, Docker, Git, Maven, Gitlab, Eclipse RCP, OSGi, Jira, Confluence, MS Teams, JUnit, AssertJ, Mockito, Awaitility, Oracle, MSSQL, JPA, Hibernate, JDBC, Liquibase, IntelliJ IDEA, Eclipse, Postman, PMD, Checkstyle, Sonar.
Suppport in development of Backend-Microservices.
Java 8 - 11, Spring Boot, JSON, JAXB, REST, OAuth, JWT, Git, Maven, Jenkins, Jira, Confluence, Docker, Kubernetes, Rancher, Thymeleaf, JUnit, Mockito, AssertJ, MockServer, MySQL, JPA/Hibernate, Flyway.
Modernization and further development of interface components.
Java 8 - 11, Spring Boot, Java EE, JMS, Weblogic, JAX-RS, JSON, JAX-WS, JAXB, REST, Git, Maven, Jenkins, Jira, Confluence, Docker, JUnit, Mockito, AssertJ, Oracle, MS SQL, JPA/Hibernate/JDBC, QueryDSL etc.
Development and maintenance of an international point-of-sale solution.
Java, JBoss AS 6/7, WildFly, OSGi, EJB 3, JAX-WS, FitNesse Testframework, Integrity Testframework, JUnit, Microsoft SQL Server, MySQL, H2, PostgreSQL, Jira, Confluence, Git, GitLab, Maven, Jenkins, Eclipse, SoapUI
Design and implementation of a traffic light phase assistant as an Android app.
Android 4/5, Android Studio, JavaEE, JSON, REST, SVN, Gradle, Jenkins, Bugzilla, Confluence, JUnit, Mockito, Hamcrest etc.
Development and implementation of the Cell Transmission Model in a green wave assessment tool.
Java SE 6, Eclipse, VisualWorks (SmallTalk), JNI, Enterprise Architekt, SVN, Maven, Bugzilla, Confluence, etc.
Development, implementation and maintenance of a tool for the management of electronic components.
Java SE 6, Eclipse, Swing, SwingX, JDBC, PostgreSQL, Debian, Oracle SQL developer, Oracle data modeler, pgAdmin, SVN, Mantis, Wiki, Inkscape, ArgoUML etc.
One of the best docker courses from award winning expert docker captain and DevOps consultant Bret Fischer. Complete course starting by Kubernetes 101 and teaching You the features, workflows and tricks that helps You running own Kubernetes clusters.
One of the best docker courses from award winning expert docker captain and DevOps consultant Bret Fischer. Complete course about the technology, that helps to understand and to apply the technics in software development, test, deployment and production.
Security training with following content: injection, wrong authentication and session-management, loss of confidentiality of sensitive data, XML extern entities, wrong authorisation, security relevant misconfiguration and many more.
