Senior Developer Jobs in Belgium

The DBS department is structured into several service units. One of them the IT Service Management Transition & ERP unit manages the processes and applications that support the HR Finance Purchasing Logistics and Communication departments.Within this unit the ERP team helps the HR Finance Logistics...

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 dev...

Senior Business Developer / Strategist Digital Transformation Program (Remote) We are looking for a Senior Business Developer / Strategist to support a major enterprise modernization program focused on transforming a legacy monolithic platform into a modern microservices and API-first ecosystem run...

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...

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 solu...

OpportunityBuild 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 legacy no rigid structure. You build new systems and features from the ground up an...

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 and SQL environm...

Would you like to join a leading Digital Solution Company and contribute to innovative solutions that are built on a daily basisSummaryWe are seeking an experienced Java Developer with deep expertise in Camunda to lead a critical process migration projects. You will be the driving force behind analy...

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 the further development of a large-scale...

OpportunityDesign and build applications that connect data platforms with operational systems where reliability security and performance support decision making.At ILIAS Solutions you join the Data Platform team within the Defense Capability Management unit. You work on software that supports logist...

Senior Business Developer - MedTech (MD/IVD) Location: Hybrid / EU-Wide Type: Full-timeDo you have a solid network in the medical devices or IVD world Are you the kind of person who picks up the phone opens doors and actually closes deals And do you want to work somewhere that takes MedTech serious...

Spektrum have a wide range of exciting opportunities in several global locations. We are always looking to add great new talent to our team and look forward to hearing from you.Spektrum supports apex purchasers (NATO UN EU and National Government and Defence) and their Tier 1 supplier ecosystem with...

Senior Developer / Application Architect (.NET & Angular) Freelance Antwerp Belgium Start: May 2026 Duration: Until July 2027 (extension possible) Full-time Hybrid About the Role We are looking for a Senior Developer / Application Architect to join a dynamic development team working on business-...

Senior Java Developer Brussels & Ghent Belgium Start Date: May 2026 OverviewWe are looking for a Senior Java Developer to design build and maintain scalable backend services within a cloud-native environment. You will work on high-impact digital platforms focusing on secure data handling performance...

Senior Data Engineer (Azure Data Platform) Part-Time Contract Ghent Belgium (On-site) Duration: 4 months (11 May 2026 1 September 2026) Workload: 1 day per week We are looking for a Senior Data Engineer to design build and operate a secure scalable and cost-efficient cloud data platform within an...

Senior Full-Stack Java Developer Agile Public Sector Program Role Overview We are looking for a Senior Full-Stack Java Developer to join an existing Product & Revision Management team within a large transformation program. The consultant will translate business requirements and architectural design...

Senior Full-Stack Developer (Java / Angular / Azure) Aartselaar Belgium (Hybrid) Full-time Contract until December 2026 (9 months) About the Role We are looking for a Senior Full-Stack Developer to contribute to the development of modern web applications on Microsoft Azure within a data-driven and...

Job Title: Senior Developer Overview: We are looking for an experienced Developer to join a dynamic Agile team working on scalable platform solutions. The role focuses on developing and maintaining backend components while supporting the adoption of Azure Cloud across development teams. Key Respon...

Senior Full Stack Java Developer (GIS) Aartselaar Belgium (Hybrid 23 days onsite/week) Contract: Until Dec 2026 Full-time Were hiring a Senior Full Stack Java Developer to build and enhance modern GIS-based web applications on Azure within a product-driven environment. Key Responsibilities Dev...

Would you like to join a leading Digital Solution Company and contribute to innovative solutions that are built on a daily basisKey ResponsibilitiesBuild scalable applications using Constellation architectureConfigure case types workflows and reusable componentsDesign integrations using REST and DX...