Our Technology Stack
With over a decade of expertise in and a strong foundation in open-source technologies, we’ve extensive production experience across a wide range of languages, methods, tools and frameworks.
| Topic | Frameworks | Experience |
|---|---|---|
| Java Platform | Java SE 6-21 | Proficient |
| Â | Spring Framework, JPA / Hibernate | Proficient |
| Â | JavaFX | Advanced |
| TDD | JUnit, Mockito, Integration-/E2E-/Penetration-Tests | Proficient |
| Â | TestFX | Advanced |
| IDEs | IntelliJ, PyCharm, Eclipse, Linux CLI (vim, zsh, …) | Proficient |
| Versioning | Git, Subversion, SemVer, Conventional Commits | Proficient |
| Build Tools | Gradle, Maven, Ant | Proficient |
| CI/CD | GitLab, GitHub, Nexus, Bitbucket JIRA, Bamboo, Jenkins, Sonarqube | Advanced |
| Container Virtualization | Docker, Compose, Kubernetes, Helm | Proficient |
| Cloud Computing | Amazon Web Service, Google Cloud Engine, Linode / Akamai | Proficient |
| Monitoring | Actuator, Prometheus, Grafana | Advanced |
| Operating Systems | (Alpine-/Ubuntu-)Linux, Android, Mac OS, Windows | Advanced |
| Server Systems | Tomcat, Undertow, nginx, apache2, jBoss, WildFly, Hasura | Advanced |
| Scrum & Kanban | Developer | Proficient |
| Â | Master | Rookie |
| Security | Let’s Encrypt, Keycloak, OAuth, Spring Security | Advanced |
| Web-Dev | Jekyll, Angular 2-16, Vaadin 7-21, HTTP, REST, SOAP, GraphQL | Advanced |
| Documentation | Confluence, Asciidoctor, PlantUML, Markdown, Arc42, RESTdocs | Advanced |
| Databases | PostgresSQL, MySQL, H2, SQLite | Proficient |
| Languages | German, English, Spanish | Fluent |
| Â | French, Russian, Italian | Rookie |
| Other | Python Programming Language | Advanced |
| Â | Delphi, C++, Unreal Engine, Neo4J | Rookie |
| Â | C#, JavaScript, PHP, Haskell, Prolog, Elasticsearch | Rookie |