Open Source Developer (Java | GIS | Cloud) Namur, Belgium (Hybrid) Contract: June 2026 April 2027 Experience: 35 Years About the Role We are looking for a passionate Open Source Developer to design and build innovative applications where mapping, geolocation, and computing come together. You will work in a collaborative team of analysts, architects, and developers, contributing to the development of high-performance, user-centric solutions and helping shape the future of geospatial platforms. Key Responsibilities Develop scalable applications using Java, Spring Boot, and modern JavaScript frameworks Contribute to software architecture design and evolution Ensure code quality, testing, and performance optimization Participate in all phases of development: Design Development Integration Optimization Solve complex technical challenges and stay updated on emerging technologies Tech Stack Backend: Java, Spring Boot Frontend: React, Vue.js (or similar), HTML5, CSS3 GIS & Mapping: OpenLayers, Geographic Information Systems (GIS) Databases: Relational & NoSQL (JPA, Hibernate) Cloud: AWS, GCP, Azure Other: Linux, Docker, NGINX/HTTPD, Microservices, REST APIs Required Skills & Experience Core Requirements Bachelor's or Master's degree in Computer Science or related field 35 years of experience in software development Strong proficiency in Java Experience with at least one modern front-end framework (React preferred) Experience or interest in GIS / geospatial technologies Additional Skills Knowledge of cloud platforms (AWS, Azure, or GCP) Familiarity with microservices architecture and APIs Experience