> Markdown version of [/jobs/ext/2990050-java-developer](https://www.wearedevelopers.com/jobs/ext/2990050-java-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Developer - **Company:** Ubique Systems - **Location:** Brussel, Belgium - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Cloud Computing, Cloud Engineering, Continuous Integration, DevOps, Enterprise Messaging Systems, Simple Object Access Protocol (SOAP), Data Logging, Spring-boot, SOAPAPI, Git, Event Driven Architecture, Kubernetes, Apache Kafka, Graphql, Restful APIs - **Published:** September 19, 2026 - **Apply:** https://www.adzuna.be/details/5889314129 ## About the Role * Java * Spring Boot * GraphQL * Apache Kafka * REST API & SOAP * Event-driven architecture / asynchronous integration * Git / DevOps * Good software development standards Language: English is mandatory; French or Dutch is an advantage. Main Skill: Java + Spring Boot Secondary Skills: Kafka, GraphQL, REST/SOAP, AWS, Kubernetes, DevOps ## Description We are looking for a Java Developer with strong Java and Spring Boot experience to support the delivery of API-enabled Domain Services. The role involves developing scalable services and integrations using modern, cloud-native and event-driven architectures., * Develop and maintain applications using Java and Spring Boot. * Build and integrate REST APIs, SOAP services and GraphQL APIs. * Implement asynchronous and event-driven integration patterns using Apache Kafka and messaging systems. * Work with Domain Services and API-enabled business solutions. * Follow software development standards, coding best practices and DevOps processes. * Collaborate with development, integration and business teams to deliver high-quality solutions. * Contribute to CI/CD, monitoring and logging within cloud-native environments. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Quarkus. A Bliss for developers](https://www.wearedevelopers.com/videos/385-quarkus-a-bliss-for-developers) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Developer Joy with Quarkus](https://www.wearedevelopers.com/videos/1591-developer-joy-with-quarkus) ## Related Articles - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023)