04.11.2026 aktualisiert
100 % verfügbar
Senior Java / Fullstack Engineer
Lucerne, Schweiz
Schweiz
Bachelor in Computer Science, Hochschule Luzern (HSLU)Skills
KeycloakArgo CDAzure FunctionsHelmAzure OpenAISAFeGCPJavaSpring SecurityDevOpsMitarbeitermotivationHibernateJUnitPostgreSQLScrum
Java Backend Development with Spring Boot and Quarkus
Solid expertise in developing Java backends with Spring Boot, Quarkus, Spring Security, Spring Modulith and Jakarta EE. Focus areas: authentication and authorization (JWT, OAuth2/OpenID Connect, Okta, Keycloak), data persistence with JPA/Hibernate, REST and GraphQL APIs, and asynchronous and reactive processing.
Microservices, APIs and System Integration
Extensive experience designing and implementing microservices architectures and integrating systems via REST, GraphQL, AMQP, Apache Camel, Azure Service Bus, SFTP and openTRANS XML. REST APIs with OpenAPI, both API-first with code generation and code-first; JSON and XML mapping with Jackson (incl. jackson-dataformat-xml) and JAXB code generation from XSD schemas. Modernization of production applications during live operation, including the migration from Java EE to Jakarta EE 9 / Quarkus on the Swiss platform for electronic data exchange between healthcare providers and health insurers.
Cloud, DevOps and CI/CD
Hands-on experience with Azure (Functions, Cosmos DB, Service Bus), GCP, Docker, Kubernetes, Helm and ArgoCD. Building and maintaining CI/CD pipelines with Jenkins (shared libraries, release pipelines) and GitLab; using Ansible for configuration management and automation.
Frontend Development with Angular and React
Development of frontend applications with TypeScript, JavaScript, Angular, React and HTML/CSS. Angular frontends within a modular architecture, including the migration to Angular 20 and the use of Angular Signals; configuration-driven forms with React and Mantine.
Agentic Engineering and LLM Integration
Productive use of coding agents (Claude Code) with custom skills and commands, spec-driven development and sandboxing guidelines. Building and operating LLM agents with RAG on Microsoft Foundry, and enabling development teams through workshops.
Testing and Quality Assurance
Automated testing at multiple levels with JUnit 5, Mockito, WireMock, Testcontainers, ArchUnit, Playwright and Gatling; functional acceptance tests with ReadyAPI (SoapUI Pro) and TestComplete. Integration of SBOM generation with Dependency-Track into CI pipelines, as well as load testing and capacity planning.
Data Management and Monitoring
Proficient in SQL with PostgreSQL, Oracle, Microsoft SQL Server and MySQL, as well as Azure Cosmos DB and Elasticsearch. Building Grafana dashboards for monitoring production environments.
Architecture and Methods
Experience designing microservices, modular monoliths with business domain modules, serverless architectures, interface design and multi-tenant isolation. Working with Scrum, SAFe and Kanban, and with tools such as Git, Maven, Gradle, npm and Nx.
Other Languages and Runtimes
Project experience with Go, Python, Bash and Node.js, plus earlier projects using Groovy and Scala.
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2019
Sprachen
DeutschMutterspracheEnglischverhandlungssicherFranzösischGrundkenntnisseItalienischGrundkenntnisse