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Java/Web Developer

Thoughtlabs Belgium — Belgium · Posted ~3 hours ago

Mid Contract Hybrid

Skills

Java J2EE Frontend development Backend development XML XSLT Software testing Technical documentation

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Summary ✨ AI‑Generated

Work on a long-term engagement developing and maintaining critical public-sector applications. The role covers Java J2EE development across frontend and backend layers, functional and technical enhancements, XML data flows, XSLT transformations, testing, production activities, and technical documentation. Both freelance and permanent employment arrangements are available, with limited weekly telework subject to approval.

Highlights

Long-term development and maintenance engagement involving critical applications, with both freelance and permanent contract options and limited telework flexibility.

Description

B2B Freelance contract and CDI both option available Type: Onsite (Telework possible up to 1 day per week, subject to approval.) Location: Brussels (Empereur) Context As part of a contract, we are looking for a Java J2EE Developer to work on development and maintenance projects for critical applications in the Luxembourg public sector. The mission is part of a long‑term contract representing about 660 man‑days. Main missions * Participate in the analysis, design, and development of Java J2EE applications. * Carry out front‑end and back‑end developments. * Implement functional and technical evolutions of existing applications. * Design and maintain XML data flows. * Develop and maintain XSLT transformations. * Participate in testing, acceptance, and production phases. * Produce the associated technical documentation. * Collaborate with project teams in a demanding and structured environment. Mandatory technical skills The candidate must demonstrate concrete experience with the following technologies: * Development: Java J2EE, HTML, CSS, Javascript * XML technologies: XML, XSD, XSLT * Specific tool: JWAY FormPublisher Profile sought * Education: IT degree Bac+3 minimum or equivalent. * Languages: French C1 minimum, English B1 minimum. * Experience: No minimum years required, but CV must clearly demonstrate the required skills through detailed project descriptions. Mission conditions * Full‑time assignment. * Mainly on‑site presence in Luxembourg . * Telework possible up to 1 day per week, subject to approval. Mandatory technical test: * Date: 24 September 2026 * Time: 14:00 – 16:30 * Location: Luxembourg