Senior Full Stack Java Developer for NATO with security clearance
Remote | NATO Secret Clearance Required | Occasional Travel to The Hague We are supporting NATO in the continued development and evolution of NIRIS (Networked Interoperable Real-Time Information Services), a critical interoperability platform used across multinational defence environments. We are looking for an experienced Full Stack Java Developer to contribute to software development, integration, interoperability, testing, and release activities within a modern Agile environment.
What You Will Do
Develop and maintain Java-based software components Implement new functionality and enhancements across the NIRIS platform Upgrade and modernize Java modules to supported LTS versions Develop and maintain REST integrations and data exchange interfaces Support interoperability with external systems and NATO standards Improve logging, monitoring, and troubleshooting capabilities Contribute to unit testing and automated testing activities Work with CI/CD pipelines and DevOps tooling Participate in sprint planning, reviews, and technical discussions Produce technical documentation and implementation artefacts Required Experience 5+ years of software development experience 3+ years of Java backend development 2+ years of Angular and/or TypeScript development Experience building RESTful services and integrations Experience with distributed systems and data-intensive applications Experience with Docker and containerized deployments Experience with CI/CD environments such as GitLab Experience with unit testing and integration testing Strong understanding of Agile software development Highly Desirable Defence systems experience Tactical Data Links Link 16 JREAP OTH-Gold VMF AIS CESMO NATO interoperability environments Secure software development practices Technical Environment Java Angular / TypeScript Docker GitLab CI/CD REST APIs Linux Distributed systems Near real-time data processing Why This Role Is Interesting This is not a typical enterprise Java project. The platform processes, exchanges, and disseminates operational data across multiple systems and standards. The role combines software engineering, interoperability, integration, and modern DevOps practices within a multinational NATO environment.