C005290 IOTA Developer (NS) - WED 9 Sep

EMW; Den Haag; On-site; EUR 90,000 - 120,000; Full time

Job summary

EMW in The Hague, NL, seeks an experienced IOTA Developer for a 6- to 2-month contract (start Oct 14, 2026) with NATO SECRET clearance. You will design, develop, and maintain the IOTA tool suite, work under PM/SDM guidance, and collaborate in a multinational team using Java/Spring or Angular, Git, Jira and Jenkins.

On-site 100% with a 418-hour scope; deadline 31 December 2026. Fluent business English required and strong testing/documentation skills.

Qualifications

• Active NATO SECRET security clearance.
• 3+ years Java backend with Java 21 and Spring.
• 3+ years Angular frontend with Angular 20.
• Experience with GIT, Maven, JIRA, Jenkins.
• Networking (TCP/IP, UDP) and messaging systems experience.
• Experience with military data links preferred.
• Experience with full software lifecycle testing.
• Ability to work in a multinational team and communicate in English.

Responsibilities

• Design, develop, test, and maintain the IOTA tools.
• Write and maintain documentation for the IOTA tools.
• Update the development backlog with progress and comments.
• Participate in requirements elicitation, analysis and design discussions.
• Support bug fixes and stability improvements.
• Create and run test cases.
• Create and update documentation.
• Support users in acceptance testing.

Skills

NATO SECRET clearance

Team collaboration

Business English

Tools

GIT

Maven

JIRA

Jenkins

Java 21

Spring

Angular 20

Job description

Deadline Date: Wednesday 9 September 2026

Requirement: IOTA Developer

Location: The Hague, NL

Full Time On-Site: Yes

Time On-Site: 100%

Total Scope of the request (hours): 418

Required Start Date: 14 October 2026

End Contract Date: 31 December 2026

Required Security Clearance: NATO SECRET

Duties & Role:

Under the supervision of the Project Manager (PM) and the Service Delivery Manager (SDM), the Contractor will work under the guidance of the Lead Developer (LD) and develop and update the IOTA suite of tools. This includes the following activities:

• Design, develop, test and maintain the software for the IOTA suite of tools;
• Write, update and maintain the software documentation for the IOTA suite of tools;
• Participate in the team meetings as required by the Lead Developer (LD), the Service Delivery Manager (SDM) and the Project Manager (PM);
• Update accordingly the development backlog system with progress and comments;
• Participate in requirements elicitation, analysis and design discussions.
• Support bug fixing and stability improvements.
• Create and run test cases.
• Create and update documentation.
• Support users in the acceptance testing.

Skills, Knowledge & Experience:

• The candidate must have a currently active NATO SECRET security clearance
• At least 3 years' experience with Java backend development, using recent techniques like Java 21 and Spring
• And/or 3 years' experience with Front end development in Angular, using recent version (20)
• Hands on experience with development tooling: GIT, Maven, JIRA, Jenkins
• Candidate should have experience with Networking (TCP/IP, UDP) and Messaging systems
• Experience with military Data links is preferred
• Experience with testing software using technologies and methods to support the full software lifecycle.
• Proven ability to integrate and work in a multinational team.
• The ability to conduct all work in fluent business English.