UNTIL 07 July, 2026
Job Details
Client: NATO
Location: Belgium
Position Type: B2B Freelancer
On-Prem/Remote: Full Remote
Security Clearance: Mandatory
Minimum profile required
Skill, Knowledge & Experience:
· The contractor shall demonstrate proven expertise in the design, development, and delivery of secure, enterprise-grade web applications in a defence or similarly regulated environment.
· Technical Skills: The contractor shall possess strong, demonstrable experience in: Backend development using Java; Frontend development using React; Database design and implementation using PostgreSQL; Object-relational mapping using Java Persistence API (JPA); Integration with Microsoft Exchange using Exchange Web Services (EWS) or IMAP; Implementation of authentication and authorization using Keycloak, including integration with Active Directory, Working with X.509 certificates, including handling, validation, and secure usage; Deployment and configuration on Linux environments, preferably Oracle Linux (versions 9 or higher); Configuration and use of Apache as a reverse proxy; Version control using Git.
· The contractor shall have experience in: Designing scalable and maintainable system architectures; Implementing role-based access control and fine-grained authorization models; Developing applications with secure coding practices
· DevOps and Tooling: The contractor shall demonstrate experience with: Amazon Azure DevOps, including repository management, pipelines, and build automation; Creation and maintenance of CI/CD pipelines; Packaging applications in RPM format; Software deployment automation; Generating technical documentation using LaTeX and automated build pipelines; Experience working within controlled or restricted DevOps environments is highly desirable.
· Domain Knowledge: The contractor should have: Understanding of Military Text Format (MTF) messaging standards, or the ability to rapidly acquire such knowledge; Experience with message parsing, validation, and structured data processing; Familiarity with messaging workflows, delivery tracking, and audit requirements; Previous experience working within NATO environments is highly desirable.
· Security and Compliance: The contractor shall demonstrate: Experience in developing applications compliant with strict security standards; Familiarity with NATO Web Application Security Directive or equivalent security frameworks; Ability to implement secure authentication, data protection, and audit logging mechanisms
· User Experience and Requirements Translation: The contractor shall demonstrate a strong ability to: Translate user requirements into effective and usable web-based user interfaces; Balance user expectations with web design best practices, ensuring usability across different screen sizes and avoiding overly complex layouts, such as multiple panels or independent scroll areas
· Methodology, Communication and Collaboration: The contractor shall: Have proven experience working in Agile SCRUM environments; Be capable of participating in sprint planning, reviews, and retrospectives; Be able to conduct all work, communication, and documentation in English; Demonstrate strong communication skills and ability to collaborate with stakeholders, including technical and operational users
How to Apply
Please contact us with your resume and a brief introduction before 07 July, 2026