Job Description

Job Title: Senior Jahia CMS Application Developer

Location: Wallonia, Belgium (Hybrid)

We are seeking a Senior Jahia CMS Application Developer to support the development, maintenance, and optimization of a large-scale shared web platform hosting multiple public sector websites. The role focuses on Jahia CMS customization, web application development, platform evolution, and technical support within a high-traffic environment.

Key Responsibilities

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  Maintain and evolve the shared Jahia CMS platform and related services
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  Design and implement technical and functional solutions aligned with business needs
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  Develop and maintain templates, modules, and components within Jahia CMS
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  Ensure coherent functional and technical architecture across the shared platform
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  Perform corrective and evolutionary maintenance activities
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  Validate and deploy developments on the shared Jahia environment
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  Produce and maintain technical and functional documentation
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  Provide technical recommendations and code quality guidance to developers
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  Support and train CMS users and key stakeholders
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  Maintain a catalog of reusable web components and standards

Required Skills & Experience

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  Strong expertise with Jahia CMS and Java development
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  Experience with JSP/Servlet, OSGI, Spring Framework, and REST APIs
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  Solid knowledge of HTML, CSS, Bootstrap, JavaScript, and JQuery
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  Experience with Angular and/or React
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  Knowledge of GraphQL API and JCR API
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  Experience with PostgreSQL databases and Linux (Red Hat) environments
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  Familiarity with Apache, Tomcat, Docker/Podman, Maven, WebPack, Git, Jenkins, and Nexus
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  Understanding of WCAG web accessibility standards
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  Experience with analytics and SEO tools such as Matomo or Google tools

Soft Skills

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  Strong communication and technical documentation skills
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  Ability to explain technical concepts to non-technical users
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  Proactive, analytical, and solution-oriented mindset
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  Strong organizational and problem-solving abilities
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  Ability to work autonomously and collaboratively in a team environment
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  Comfortable working under pressure in production environments

Languages

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  French: Fluent/Native proficiency required

Focus of the Role

Supporting the continuous improvement, industrialization, and maintenance of a large-scale shared Jahia CMS platform while ensuring high-quality web solutions, scalability, and operational reliability.