Emplois de java developer – Brussels

In order to design, develop and deliver new modules to our clients, MAINSYS is looking for Senior Software Engineer who will: participate in the definition of the needs and choice of architectures, take part in the conceptual and technical analyses of the architecture and software components, participate in the development, integration and testing of...

pWe're looking for a senior IT Tech Lead Developer to guide backend development and integrations, combining hands‑on coding with technical direction across a complex enterprise application landscape. The work centres on Java 8, Spring 4, Spring Boot, Kafka and Flink. /ph3What you'll do: /h3ulliSet technical direction and guide design decisions across the...

In order to design, develop and deliver new modules to our clients, MAINSYS is looking for Senior Software Engineer who will:participate in the definition of the needs and choice of architectures,take part in the conceptual and technical analyses of the architecture and software components,participate in the development, integration and testing of the...

Description de la fonction En tant que Software Architect, vous élaborez vos propres propositions d’architecture dans une stack technique basée sur Java et Angular. Votre job est varié, allant de l'expertise technique sur des questions précises jusqu’à l'identification de solutions high-level pour l’implémentation de systèmes complexes : Vous...

About the Role NISH Tech BV is looking for an experienced Senior .NET Developer with Java experience for a project within the Belgian energy sector . You will work on secure Digital Identity, authentication and authorization solutions used within a critical infrastructure environment. The role involves software development, system integration and...

About the Opportunity We are looking for a Mendix Low-Code Expert to join a major international IT project within a European institutional environment in Brussels. You will be responsible for designing, developing and maintaining secure, scalable and accessible business applications using Mendix. Working within an Agile and multidisciplinary environment,...

ENTICO zoekt een Senior .NET Developer met ervaring in Java om een bestaand team te versterken. De rol focust op authenticatie en autorisatie binnen oplossingen voor digitale identiteit, met integratie in bestaande en nieuwe toepassingen. Je werkt in een hybride regime met doorgaans twee dagen op kantoor in Brussel en startdatum 2 november 2026 (met opties...

RMM Consulting Group seeks an experienced Full-Stack Developer (Java – React) to design and deliver end-to-end software within an Agile squad responsible for digital banking solutions for enterprise customers. You will develop backend services with Java/Spring and frontend with React, integrating external APIs and ensuring performance, security, and...

Company DescriptionThe developer will join a mission-critical IT division responsible for managing applications related to infrastructure management, traffic planning, and maintenance scheduling within the rail transport sector. These applications are essential for day-to-day operations and are supported by a 24/7 on-call service. The development is carried...

About company: https://www.hashoptima.com/ We are looking for a Backend Java/Python Developer to join our core development team. The successful candidate will participate in greenfield projects building large-scale trading and quotation systems. Daily tasks include, but are not limited to: Responsibilities • Engage in all stages of the software...

Key Responsibilities: • Design, develop, and maintain applications using the Mendix low-code platform. • Translate business requirements into Mendix applications, including domain models, microflows, pages, and security roles. • Integrate applications with internal and external systems through APIs and database connectors. • Develop reusable...

pMAINSYS in Belgium is seeking a Senior Software Engineer to design, develop and deliver Java-based modules for client projects. You will participate in architecture decisions, analyze components, develop, integrate and test software, and deploy in client environments. /ppYou will lead changes and coordinate stakeholders to ensure high-quality outcomes....

pNISH Tech BV is seeking an experienced Senior .NET Developer with Java experience to work on a project within the Belgian energy sector. You will contribute to secure Digital Identity solutions, authentication, and authorization in a critical infrastructure environment. /ppThe role involves hands-on development, integration work and collaboration with...

Derrière chaque expérience digitale fluide se cache une intégration intelligente. Et si c’était vous qui la conceviez ?En tant qu'Integration Architect, vous jouerez un rôle essentiel dans la création et l’évolution du paysage d’intégration du groupe P&V. Grâce à votre expertise des technologies cloud, des APIs et de l’architecture...

We are looking for a Mendix Low-Code Expert to join a major international IT project within a European institutional environment in Brussels. You will be responsible for designing, developing and maintaining secure, scalable and accessible business applications using Mendix. Working within an Agile and multidisciplinary environment, you will collaborate...

Onepoint in Belgium is seeking a Senior Full-Stack Java Developer to design, build and maintain modern web applications across backend and frontend. You will work on RESTful APIs, Angular frontends, and contribute to architecture, performance, security and maintainability while mentoring junior developers. Join a collaborative team using CI/CD and agile...

Capyx is seeking a Java Developer to join an agile development team and contribute to the design, development, integration and testing of high-quality software solutions. You will develop and maintain applications using Java and Spring Boot, work with a microservices architecture, and participate in continuous improvement of development practices and...

/ Developer Bij in Brussel WerkomgevingDe dienst NTSU (National Technical & Tactical Support Unit) maakt deel uit van de Speciale Eenheden van de Federale Gerechtelijke Politie. Deze dienst is voornamelijk belast met de voorbereiding en uitvoering van discrete plaatsingen van materiaal in het kader van bijzondere opsporingsmethoden en tijdens...

Context and description In the context of a major business transformation program, we are looking for a senior java developer to reinforce the existing teams. As a senior developer you will join a department of about 80 people (in evolution) to ensure the hand-over, refactoring or greenfield development of new business applications. The senior developer...

Company DescriptionAre you ready to shape the future technological landscape in Europe? We are dedicated to responsible digitalisation, building innovative, inclusive solutions that drive meaningful impact. With over 8,900 professionals across Europe, we help EU institutions, public and private organisations thrive in a rapidly evolving digital world. Are...