Senior Fullstack Developer jobs in Leuven

Job Description You like to being a senior developer in a team of experienced and talented developers to engineer a complex competence management system to cater the demanding needs of NMBS-SNCB! Who would like to deal with many technical and non-technical stakeholder in a fast pace environment? The

Our client, a prominent public service institution, is seeking a senior professional to join a development team focused on document management and archiving solutions. The project involves replacing legacy applications and migrating archived data while providing technical leadership to a specialized

Senior Full-Stack Developer (Angular & .NET) Are you an experienced freelance full-stack developer looking to make an impact on complex systems and share your knowledge with others? Then this role is made for you. We are looking for a senior profile who does not only develop, but also understand

Bij The Beehive is het ontwikkelen van waardevolle software onze core beesiness . Klinkt tof, maar niet uniek. Wat ons anders maakt, is de manier waarop we samenwerken. Want voor elk project zetten we een zelfsturend team in gang dat zich vastbijt in het DNA van de klant. Het gemeenschappelijke doel

Job Description Ypto is looking for a Full Stack Developer .NET/React with recent and hands‑on experience in both technologies. You will contribute to the design and implementation of an important internal project, working across the full stack to build efficient, reliable, and scalable solutions. A

Ypto is looking for a Full Stack Developer .NET/React with recent and hands‑on experience in both technologies. You will contribute to the design and implementation of an important internal project, working across the full stack to build efficient, reliable, and scalable solutions. As part of the de

We're looking for a skilled consultant to join our client's team, contributing to a significant business transformation initiative. In this dynamic environment, you will collaborate with a team of approximately 70 professionals to facilitate the hand-over, refactoring, or brand-new development of va

Our client, a specialized public safety organization focused on investigative support, is looking for a Software Engineer to join a dedicated development team. The role involves building and maintaining critical Django-based applications to support complex operational requirements within an on-premi

Build and evolve oneLab, IMEC’s corporate LIMS in Leuven, with a PHP/Laminas backend and a React/TypeScript front end. Key Responsibilities Deliver end-to-end features across PHP/Laminas MVC (controllers, services, Doctrine ORM, Twig) Build and maintain React + TypeScript UI (Vite) and shared compon

We’re looking for an experienced Fullstack .NET Developer to join our client’s agile development teams. You’ll be part of a collaborative, multilingual environment where cross-functional teams deliver high-quality applications in an iterative and incremental way. This is a great opportunity to contr

Area Engineering Work type Full Time Sector Climate Control Work Environment Hybrid Reference IHE-694428 Location Mont-Saint-Guibert, Région wallonne, Belgique We are seeking a fullstack cloud developer to join our team based in Mont-Saint-Guibert (Louvain-La-Neuve). The ideal candidate will have so

We are seeking a fullstack cloud developer to join our team based in Mont-Saint-Guibert (Louvain-La-Neuve). The ideal candidate will have solid experience in web development and a comprehensive understanding of the associated ecosystems. Your Function You join the team to develop the cloud and assoc

09-04-2026 Brussel Deze organisatie telt meer dan 150 medewerkers binnen de IT-afdeling en opereert in een tweetalige context met zowel Nederlandstalige als Franstalige stakeholders. Binnen IT wordt gewerkt volgens de Agile/Scrum-methodologie en de tien developmentteams zijn multidisciplinair sameng

Sword Group

Tasks Development of front-end website architecture Designing user interactions on web pages Developing back-end website applications Implementing core business logic Creating servers and databases for functionality Understanding and implementing security and data protection Cross-platform optimizat

recurv

💫 HIGHLIGHTS Locatie: Antwerpen Contracttype: Freelance USP van de job : bouwen aan een maatschappelij bedrijf kritisch platform binnen een Agile engineering team, met veel technische autonomie en impact op architectuur en standaarden 🎯 JOUW ROL Als Senior Full Stack Developer maak je deel uit van

We are looking for a senior .NET developer with a strong backend focus and solid frontend knowledge, who enjoys working both on existing (legacy) applications and on the modernization towards future‑proof solutions. You will play a key role in maintaining business‑critical systems and gradually shap

Voor een langlopende opdracht bij een klant in regio Leuven zijn wij bij Qmino op zoek naar een Medior Fullstack Developer (Java). Na een grondige inwerking kan je 4 dagen per week van thuis uit werken. Zowel het kantoor van de klant als het Qmino-kantoor bevinden zich in Leuven. Bij de klant maak j

Company This large Belgian company manages an extensive and technically complex & crucial network. Behind the scenes, high-performing and reliable IT systems ensure that operational processes run safely and efficiently, this with real-time data. Within this business-critical environment, signifi

Infinity Quest

Bachelor’s degree in IT or relevant discipline, combined with minimum 17 years; Experience of 5 years as a full-stack developer; Experience of 2 years with Java in the context of back-end development; Experience of 2 years with relational databases (data modelling in the context of operational syste

Computer and IT - Leuven | Just now Build and evolve oneLab, IMEC’s corporate LIMS in Leuven, with a PHP/Laminas backend and a React/TypeScript front end. oneLab — Senior Full-Stack Developer (PHP/Laminas + React/TypeScript) Key Responsibilities Deliver end-to-end features across PHP/Laminas MVC (co