Software Developer

Spektrum Group

Software Developer maintaining and enhancing NIRIS software for NATO Communications and Information Agency. Focused on software quality, Java development, and Agile practices.

Posted 6/19/2026contractRemote • 🇳🇱 NetherlandsMid-LevelSenior💰 €5,049 - €10,099 per monthWebsite

Tech Stack

Tools & technologies

AngularD3.jsDistributed SystemsDockerJavaLinuxTypeScript

About the role

Key responsibilities & impact

D1- Updated, maintained, and release-ready NIRIS software baseline aligned with supported Java LTS releases.
D2- NIRIS unit and automated test updates.
D3- NIRIS logging and troubleshooting improvements.
D4- Updated NIRIS interface and interoperability support.
D5- Updated NIRIS software documentation set.

Requirements

What you’ll need

At least 5 years of professional experience in software development, with a focus on full-stack systems.
Proven ability to communicate effectively in English, both orally and in writing, in a clear, structured, and professional manner.
Demonstrated experience in working within Agile/Scrum environments, including participation in sprint planning, execution, and review activities.
At least 3 years of professional experience in Java-based software development, including experience with modern frameworks and backend service development.
At least 2 years of experience working with web technologies, including TypeScript and/or Angular-based front-end development.
At least 2 years of experience working with software integration, including RESTful services, messaging systems, or data exchange interfaces.
At least 2 years of experience working with near real-time or data-intensive systems, including data processing, filtering, and dissemination.
At least 1 year of professional experience working with containerization technologies (e.g. Docker), including building, packaging, and deploying Linux-based containers.
At least 3 years of experience with DevOps and CI/CD practices, including use of tools such as GitLab, automated pipelines, and artifact repositories.
Demonstrable experience in software testing practices, including unit testing, integration testing, and, where applicable, automated testing.
Experience in defining acceptance criteria, test scenarios, or validation approaches for software deliverables.
Demonstrable knowledge or experience in interoperability and data exchange standards, particularly within defence or similar domains (knowledge of Tactical Data Links is highly desirable).
Experience working with distributed systems and multi-component architectures, including integration of multiple data sources.
Familiarity with secure software development practices and working within controlled or regulated environments.

Benefits

Comp & perks

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Hard Skills & Tools

JavaTypeScriptAngularRESTful servicesDockerDevOpsCI/CDunit testingintegration testingdata processing

Soft Skills

effective communicationclear writingstructured communicationprofessional mannercollaborationproblem-solvingadaptabilityattention to detailteamworktime management