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# Frontend / Full Stack Software Engineer - Defence & Security

- **Company:** S(&)T
- **Location:** Delft, Netherlands
- **Salary:** €3,500.0 - €4,500.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), HTML5, C Sharp (Programming Language), Cascading Style Sheets (CSS), Corona (Software Development Kit), GIS Applications, Python (Programming Language), Node.Js, Scrum Methodology, Software Engineering, Software Systems, TypeScript, Web Applications, Software Organization, ReactJS, Backend, Git, Vue.js, AngularJS, Information Technology, Front End Software Development, Restful APIs, Stream Processing, Docker
- **Published:** September 10, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=0938be5a4b3cba95

## About the Role

* Bachelor's or Master's degree in Computer Science, Software Engineering, Information Technology, or a related field.
 * Experience in frontend or full stack software development.
 * Experience developing modern web applications.

Technical Skills

Experience with some of the following:

 * TypeScript / JavaScript
 * React, Angular, Vue.js, or similar frontend frameworks
 * HTML5 and CSS
 * REST APIs
 * Node.js, Python, Java, or C#
 * Docker and containerised environments
 * Git and modern software development practices
 * Agile/Scrum methodologies

Nice to Have

 * Experience with GIS or geospatial applications.
 * Experience with real-time data processing and visualisation.
 * Experience within Defence, Aerospace, Security, or Critical Infrastructure sectors.
 * Knowledge of Command & Control systems.
 * Experience working in secure or classified environments.

Personal Skills

 * Strong analytical and problem-solving skills.
 * Ability to communicate technical concepts clearly.
 * Team-oriented and proactive mindset.
 * Interest in Defence, Security, and high-tech innovation.
 * Ability to obtain the required EU security clearances.

Language

 * Good command of English.
 * Dutch is considered a strong advantage.

## Description

This is an excellent opportunity for someone who enjoys combining modern software development with real-world impact in a highly technical environment., + Build intuitive interfaces that present complex technical and operational satellite information in a clear and actionable way.

 + Develop and maintain backend services and APIs supporting frontend applications.
 * Collaborate Across Disciplines
*

 + Work closely with software engineers, system architects, domain experts, and end-users.
 + Translate operational requirements into scalable and maintainable software solutions.
 + Participate in technical discussions and contribute to system design decisions.
 * Deliver High-Quality Software
*

 + Develop secure, reliable, and maintainable code.
 + Contribute to software testing, validation, and continuous improvement activities.
 + Support deployment, integration, and lifecycle management of software systems.
 * Contribute to Innovation
*

 + Explore and implement new technologies, frameworks, and development approaches.
 + Support the development of next-generation Defence & Security capabilities.
 + Contribute to proof-of-concepts, demonstrations, and customer-facing projects.


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