03/11/2026 updated
PZ
100 % available
Senior Java Entwickler & Architekt
Prag, Czech Republic
Worldwide
About me
Senior Java Softwareentwickler und Softwarearchitekt mit 19 Jahren Erfahrung in der Konzeption und Umsetzung großer und komplexer Softwareprojekte
HTMLJava (Programming Language)JavaScriptSpring SecurityApache ActiveMQApplication Programming Interfaces (APIs)Artificial IntelligenceAmazon Web ServicesAmazon Elastic Compute CloudAmazon S3Advanced Message Queuing ProtocolAspect-Oriented ProgrammingApache TomcatTest AutomationBash Shell
Programmiersprachen:
Java 25 (seit 1.4), Kotlin 2 (seit 1.5), Groovy 5 (seit 2.0), Python 3, JavaScript, Bash, SQL, PL/SQL
Spring Boot:
Spring Core, Cloud (PCF, K8, Gateway, Sleuth), Data/JPA, JDBC, Integration, Web/MVC/WebFlux, Tomcat, WS, Kafka, AMQP, JMS, Security, Batch, Actuator
Micronaut:
Core, Runtime, Cloud, Data (JPA, JDBC), Messaging, HTTP Client/Server (Netty), Kafka, RabbitMQ, Security,Management
Jakarta EE:
JMS, JPA, JTA, JDBC , JSP, Servlets, Webservices, EJB, JavaMail API
Java-Frameworks & -Bibliotheken:
Hibernate, Flyway, AspectJ, MapStruct, Lombok, Jackson, Guava, RxJava, SL4J, Log4j, Logback, Apache Commons, Micrometer
Java GUI:
Eclipse RCP (SWT, JFace, GEF, GMF, ECF), BiRT, Swing, JavaFX
Web / Frontend:
JavaScript, TypeScript, Angular, RxJS, HTML, CSS, JSF (MyFaces), Jasmine, Karma
Test-Frameworks & Test-Tools:
Spock, JUnit, Cucumber, FitNesse, Mockito, WireMock, AssertJ, Spring Boot Test, Micronaut Test, Testcontainers, Postman, SoapUI, JMeter, Gatling, pgbench
Anwendungsserver & Webserver:
WebSphere AS, JBoss, WildFly, GlassFish/Payara, Tomcat, Jetty, Netty, Nginx
Webservices:
WSDL, SOAP, Spring-WS, Axis
Datenbanken:
PostgreSQL, Oracle DB, MySQL, MariaDB, DB2, Elasticsearch, Redis, DocumentDB, H2
Messaging:
Kafka, RabbitMQ, Qpid, ActiveMQ, Oracle AQ, WebSphere MQ
Containers & GitOps:
Docker, Docker Compose, Flux, Helm, Kustomize, Crossplane, Headlamp
CI/CD:
GitLab, Jenkins, Terraform, Ansible, Flux CD, Artifactory, Gradle/Kotlin DSL, Maven
Statische Code-Analyse:
SonarQube, SonarLint, KLint, FindBugs/SpotBugs, PMD, Checkstyle, JQAnalyzer, JaCoCo, Trivy
Security-APIs & -Frameworks:
Spring Security (OAuth2 / JWT), Java-Kryptografie-API, Java Keystore, Nginx-Zertifikate, OpenSSL, Mozilla SOPS
AWS:
RDS/PostgreSQL/Aurora/Redis, DMS, NLB, ALB, VPC, KMS, EKS, EC2, ECR, S3, EBS, MSK
Kubernetes:
EKS, Rancher, k9s, KubeCost, Kyverno
Monitoring:
Prometheus, Prometheus Alertmanager, Grafana, Loki, PromQL, AppDynamics, OpenSearch, ELK Stack, Jaeger
API-Formate & Kontrakte:
OpenAPI/Swagger, AsyncAPI, Spring Cloud Contract
Entwicklungstools & Architektur-Tools:
IntelliJ IDEA, Eclipse, pgAdmin, Oracle SQL Developer, PL/SQL Developer, PCF CLI, SAP GUI, Docker Desktop, PlantUML, draw.io, Enterprise Architect, yEd
KI-Tools:
GitHub Copilot, Claude Code, Amazon Q Developer, ChatGPT, Spring AI, MCP-Server
Experience
Professional experience10+ years
Freelancer since2006
Languages
GermanFluentEnglishFluentSlovakNative speakerCzechNative speaker