Web Developer Senior

We are looking for an experienced Web Developer to join our team in Brussels and contribute to the development, maintenance and continuous improvement of a key Enterprise Records Management System within a European institutional environment. You will work across the software development lifecycle, from analysing requirements and designing solutions to development, testing, deployment and application support. A strong focus will be placed on corrective and evolutionary maintenance, ensuring that applications remain reliable while continuously adapting to new business and technical requirements. Responsibilities · Develop, maintain and improve web applications and software solutions. · Analyse business and technical requirements and translate them into effective technical solutions. · Implement corrective and evolutionary maintenance, including bug fixes, refactoring and new functionalities. · Participate in solution design and implementation. · Develop and maintain high-quality, maintainable source code. · Create and maintain automated unit tests, contributing to functional and system testing. · Support application builds, releases and deployments. · Ensure the availability and continuity of applications under maintenance. · Perform configuration management and provide third-level technical support. · Contribute to service request, incident, problem and change management activities. · Produce and maintain comprehensive project, application and technical documentation. · Collaborate closely with business stakeholders, project managers, technical teams and infrastructure teams. · Participate in technical and business meetings related to the applications in scope. · Contribute to knowledge sharing and knowledge transfer to ensure long-term service continuity. Specific Expertise · Web and software development · Software development lifecycle · Corrective and evolutionary application maintenance · Functional analysis and requirements interpretation · Solution design and implementation · Source code and version management · Automated unit testing · Functional and system testing · Build and deployment processes · Configuration management · Third-level application support · Incident, problem and change management · Technical documentation and knowledge management

· Strong web/software development skills · Excellent technical and analytical capabilities · Ability to understand business requirements and translate them into practical technical solutions · Good understanding of software quality, testing and application maintenance · Strong troubleshooting and problem-solving skills · Ability to produce clear and comprehensive technical documentation · Strong communication and collaboration skills · Ability to work effectively with both technical and business stakeholders · Good understanding of structured application development and maintenance methodologies · Good knowledge of English, particularly for producing technical and project documentation · Previous knowledge of European institutional workflows and business environments is considered an advantage. If you wish to integrate a dynamic structure on a human scale while working with the latest technologies, don’t wait anymore and join Cronos!

Cronos Europa is a leading IT and digital transformation partner dedicated exclusively to European Institutions and agencies, delivering mission-critical solutions that shape Europe’s digital future. As part of the Cronos Group, one of the most innovative and fastest-growing tech ecosystems in Europe, we benefit from a vast pool of expertise and cutting-edge capabilities. With over 1,000 specialists across Belgium, Luxembourg, and the Netherlands, we combine deep institutional knowledge with strong engineering excellence to support long-term, high-impact EU programmes requiring reliability, scalability, and innovation.