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.