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Senior Application Developer Jobs In Belgium - 132 Job Positions Available

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ITProposal jobs

Job Title: Senior Application Developer (PowerBuilder / .NET) Location: Brussels, Belgium (Hybrid – minimum 2 days on-site) We are seeking a Senior Application Developer to support the maintenance, enhancement, and modernization of legacy business applications developed in PowerBuilder, ASP, .NET, and SQL environments.

ITProposal  17 days ago
ITProposal jobs

Senior Application Developer – Microservices & Kubernetes Environment We are looking for a Senior Application Developer to support a major enterprise modernization program focused on transforming a legacy platform into a scalable microservices architecture running on Kubernetes. The role involves developing, integrating,

ITProposal  16 days ago
ITProposal jobs

Job Title: Senior Jahia CMS Application Developer Location: Wallonia, Belgium (Hybrid) Role Overview 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

ITProposal  22 days ago

Senior Application Developer / Future CTO Working with a fast growing HealthTech SaaS company developing our own platform for the healthcare industry. As we continue to scale, were looking for a senior technology professional who wants to play a key

Mavie  15 hours ago
ITProposal jobs

Senior Angular Front-end Developer Mechelen, Belgium Full-time (100%) | Hybrid | Time & Materials Start Date: 22 June 2026 Application Deadline: 20 May 2026 Contract Duration: Until 21 June 2027 We are looking for a Senior Angular Front-end Developer to support

ITProposal  23 days ago
NRB jobs

Rejoindre KEYES, c’est donner du sens à votre talent Vous êtes à la recherche d’un environnement où la technologie n’est pas une fin en soi, mais un levier pour construire un futur durable ? Chez KEYES,

NRB  18 days ago
ITProposal jobs

Senior Application Tester / QA Engineer (Hybrid – Brussels) We are looking for an experienced Senior Application Tester / QA Engineer to support a large-scale modernization program focused on migrating a legacy platform to a modern microservices and Kubernetes-based architecture.

ITProposal  16 days ago
ILIAS Solutions jobs

Opportunity Build modern web applications in a small, high trust team where your code is used and your ideas shape how systems are designed. At ILIAS Solutions, you join a small and independent development team. No heavy

ILIAS Solutions  15 days ago
ITProposal jobs

Senior Full-Stack Java Developer (Hybrid – Brussels) We are looking for an experienced Senior Full-Stack Java Developer to join a large-scale business transformation program focused on the modernization, refactoring, and development of enterprise business applications. The role involves contributing to both

ITProposal  15 days ago
ITProposal jobs

Senior Full-Stack Developer – Java & Azure We are looking for a Senior Full-Stack Developer to support the development of modern web applications within a cloud-based Azure environment. You will work in Agile/SAFe product teams focused on building scalable applications and infrastructure-related

ITProposal  14 days ago
Ypto jobs

How do you help make a difference? As a Senior Java Developer – Commercial channels and products (Doli), you contribute to the design, development, and maintenance of backend components and RESTful APIs supporting enterprise-grade applications within SNCB/NMB. You ensure

Ypto  14 days ago
Monument Re Group jobs

About the roleInterested to join a strongly growing and dynamic international insurance company? To reinforce its IT team, Monument Belgium is looking for a Senior Developer Corporate Life for its Liège office. You will report to the CL

Monument Re Group  12 days ago
Sopra Steria jobs

Company Description Sopra Steria offers tailored, end-to-end corporate technology and software solutions to help clients make bold choices and deliver results. Successfully so! With more than 56.000 colleagues in 30 countries, we rank as Europe’s leading

Sopra Steria  9 days ago
ITProposal jobs

Senior Full-Stack Java Developer Overview We are looking for a Senior Full-Stack Java Developer to join a complex IT transformation environment combining legacy systems and modern cloud-based architectures. The role focuses on modernizing critical business applications, reducing technical debt, improving scalability,

ITProposal  7 days ago
ITProposal jobs

Senior Full Stack Java Developer We are looking for a Senior Full Stack Java Developer to support the modernization and evolution of complex enterprise applications within a hybrid and cloud-oriented IT environment. Responsibilities Develop, maintain, and optimize enterprise-grade applications and services Analyze

ITProposal  7 days ago
ILIAS Solutions jobs

Opportunity Help Build the Next Generation of Defense Software For more than 30 years, ILIAS Solutions has helped defense organizations improve logistics, maintenance, asset management, and operational readiness through integrated software solutions. Today, we are building

ILIAS Solutions  2 days ago
ITProposal jobs

Senior Planisware Analyst Developer Overview We are seeking a Senior Planisware Analyst Developer to support the administration, enhancement, and continuous evolution of a large-scale Project, Program, Portfolio, and Planning (PPPM) platform. The role combines business analysis, functional and technical design,

ITProposal  2 days ago
ITProposal jobs

Senior Full-Stack .NET Developer Overview We are looking for an experienced Senior Full-Stack .NET Developer to join a Scrum development team of five members for a short-term project focused on enhancing a social services application. The mission involves developing new business

ITProposal  1 day ago
SITS Group jobs

As a Technical Consultant at SITS | Traxion, you will play a crucial role in setting up identity management systems. You will work closely with our Business Consultants, Developers and Services team to translate client requirements into

SITS Group  25 days ago
Collibra jobs

Joining Collibra’s Product Security team Collibra is seeking a Senior Product Security Engineer to join our high-impact team. You will be a key individual responsible for identifying vulnerabilities and providing expert remediation consulting for our global product

Collibra  25 days ago

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