full stack java developer legacy modernization cloud migration

🚀 Database Architect (PostgreSQL Migration) For a long-term strategic project, we are looking for an experienced Database Architect to play a key role in a business-critical database migration program. This is an exciting opportunity to contribute to the modernization of one of Belgium's most important healthcare platforms. 📍 Project Details Start:...

Job descriptionadesso Belgium, who are we? We are an IT (start-up) provider working under the adesso umbrella with proven track record in different industries. The new Belgian entity of adesso is part of the expansion and growth strategy of the adesso group. With more than 10.000 employees spread over 60 locations we are entering an exciting period with our...

Application Developer (Java Full Stack) We are looking for an experienced Application Developer to support the takeover, maintenance, modernization, and development of a portfolio of business-critical applications within a large enterprise environment. You will work on both maintaining existing systems and re-engineering applications to align with modern...

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, and ensuring compliance with security...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior CA GEN Consultant based in Belgium. This senior consulting role offers the opportunity to support organizations in transforming and modernizing critical legacy applications. You will leverage your deep CA Gen expertise to...

DescriptionWe are urgently looking for a Full-Stack Developer who will contribute to the design and development of cutting-edge cloud-native applications, combining modern frontend and backend engineering, API integrations, and scalable data solutions at our client in the Banking sector.They are located in Leuven, and the working mode is 50%...

Company DescriptionArηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from...

Job Description:POLITICO is seeking an experienced Full Stack Developer with a strong backend orientation to join our technology team based in Brussels. Political decision-making is distributed, disorganized, and generally hard to follow at a larger scale, this is the issue we work on at POLITICO. By collecting, normalizing, organizing and thoughtfully...

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 backend and frontend development within Agile...

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 solutions using Java and modern frontend technologies. Key...

Junior Full-Stack Developer (Java / Angular) Location: Namur, Belgium (Hybrid – minimum 60% on-site) Contract: Full-time Role Overview We are looking for a Junior Full-Stack Developer to contribute to the development and maintenance of a modern agricultural management platform used for accounting, reporting, workflow management, and regulatory...

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, modernizing and building business‑critical systems, while gradually taking ownership within the team...

🚀 Senior Platform Developer (Azure / .NET) 📍 Location: Brussels (Hybrid – 1 day onsite/week) 📅 Start: September – October 2026 ⏳ Duration: Long-term assignment 🗣 Languages: Dutch & English Are you an experienced Senior Platform Developer with a strong background in Azure, .NET, and cloud modernization? We're looking for a senior...

Our client, a leading Software, Information and Communication Technologies company, operates internationally (Athens, Brussels, Luxembourg, Copenhagen, Stockholm, London, Nicosia, Hong-Kong, Valetta, etc). Our client is a renowned supplier of IT services to government institutions, multinational corporations, public administrations and multinational...

Full-stack Developer Java / Angular (Freelance) – 10 months – Brussels, Belgium Where Builders Build the Future At RELYzIT Talent, we don’t recruit — we build. We unite the top 2% of builders — engineers, architects, creators — into a movement across Europe and the GCC. Vetted through our VECTOR7™ Signal Stack, you’re not just hired,...

Company DescriptionArηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from...

  Your role Are you an analytical Java developer who wants to build, modernize, and own the critical applications driving global smart factories and supply chains?   What does a Java developer – manufacturing applications (IT technology engineer) do at the Atlas Copco Group in Wilrijk? As a Java developer – manufacturing applications, you will join...

Mission Overview: We are seeking a Senior Project Leader for a consultancy mission at a client site, representing Keystone Solutions. The primary objective of this role is to autonomously manage technical projects, ensuring successful delivery and client satisfaction. Key Responsibilities: Oversee the complete lifecycle of IT projects, including...

Full Stack Developer (Python | React | Node.js) Location: Brussels, Belgium (Hybrid – 2 days onsite) Profile: Medior Start Date: 17 August 2026 End Date: 31 December 2027 Languages Fluent English (mandatory) French or Dutch (professional working proficiency) About the Opportunity Join an exciting digital transformation...

Our client is a major international public sector organisation responsible for managing and financing large-scale cooperation, development, and operational programmes across multiple countries. The organisation relies on a complex portfolio of business-critical information systems that support the planning, implementation, monitoring, financial management,...