senior java backend developer

Senior Java Full Stack Developer (Freelance) - 5 months - Brabant Wallon Belgium 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, you’re chosen. ...

**Med/Senior Java Developer - (Permanent)** **About the Project** Our client, a leading company in the **insurance sector** , is undergoing a major IT transformation program aimed at modernizing its application landscape by progressively migrating legacy mainframe systems to modern Java technologies. To support this long-term transformation, we are...

Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build a smarter, more efficient, and more responsible...

Company DescriptionSia is a next-generation, global management consulting group. Founded in 1999, we were born digital. Today our strategy and management capabilities are augmented by data science, enhanced by creativity and driven by responsibility. We’re optimists for change and we help clients initiate, navigate and benefit from transformation. We...

Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build a smarter, more efficient, and more responsible...

**Chaque moment compte. Surtout ceux que vous vivez à fond. Bienvenue chez Consort Group.** Consort Group, accompagne depuis plus de 30 ans les entreprises dans la valorisation de leurs données et infrastructures. Elle s'appuie sur deux leaders, Consortis et Consortia, et place l’humain et la responsabilité sociétale au cœur de ses valeurs. ...

IT Developer (Freelance) - 10 Months - Brussels, Belgium 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, you’re chosen. This is more than work. This is where builders...

Company DescriptionSia is a next-generation, global management consulting group. Founded in 1999, we were born digital. Today our strategy and management capabilities are augmented by data science, enhanced by creativity and driven by responsibility. We’re optimists for change and we help clients initiate, navigate and benefit from transformation. We...

Company DescriptionSia is a next-generation, global management consulting group. Founded in 1999, we were born digital. Today our strategy and management capabilities are augmented by data science, enhanced by creativity and driven by responsibility. We’re optimists for change and we help clients initiate, navigate and benefit from transformation. We...

**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...

**🚀 Back-End Developer (Medior) – Join Nymus!** At Nymus, a leading Belgian FinTech and certified Peppol Access Point, we help businesses optimize their working capital management through cutting-edge technology. Based in Sint-Martens-Latem (near Ghent), we are a fast-growing company with international connections and a strong customer-first...

About Smile & The Opportunity Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries of open source every day to build a smarter, more...

Company Description About Inetum Inetum is a European leader in digital services. Every day, the Group's 28,000 consultants and specialists aim to make a digital impact for businesses, public sector bodies and society as a whole: solutions that contribute to performance, innovation and the common good. Present in 19 countries, close to the regions, and with...

Job description 🌍 We’re making security suck less for developers. Security tools haven’t kept up with how software is built today. They interrupt teams, slow releases, and turn security into a bottleneck instead of a capability. We built Aikido to change that. Aikido builds developer-first security...

Senior Fullstack Java Developer gezocht Bouw mee aan software die ertoe doet. Groei mee met een community die jou vooruit duwt. Ben jij een ervaren Java developer die energie krijgt van schaalbare backend architecturen én moderne frontend technologieën? Wil je werken aan uitdagende projecten zonder een nummer te zijn in een log consultancyverhaal? Dan...

Location: Brussels, Belgium (Hybrid: 2-3 days remote per week) Type: Freelance About Us: Why Smile! 😊 Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our...

**JOB TITLE: SENIOR PEGA LEAD SYSTEM ARCHITECT** **LOCATION: BRUSSELS, BELGIUM** **DURATION: ASAP - 30/07/2027 PLUS POSSIBLE OF EXTENSION** **LANGUAGES: ENGLISH** **WORK REGIME: 100% (FULL-TIME AND HYBRID 2(OR)3 DAYS ONSITE)** **JOB DESCRIPTION** - Understand the business solution strategy, operate vision, business imperatives, and capabilities, and...

About The Role We are looking for Full Stack Developer for a Python/React Development Service to support our ongoing initiatives within our existing team focusing on AI platform for internal everyday usage in communication between agents. The developer will be expected to follow client's standards and ensure high-quality code delivery. Technical...

Our client, a leading organization in the public safety sector, is looking for a senior developer to support the development of intelligent applications. This role focuses on leveraging AI technology, including Large Language Models, to enhance organizational processes through innovative software solutions. **Responsibilities** - Develop and maintain...

Jeudi 23 Juillet 2026 Agenda 01/12/2026 - Digital First Français Nederlands Log In Instagram Twitter Facebook Menu Digimedia Home News International Mobile Campaigns Social Media People Market News Innovation Ecommerce Start-up Jobs Who's who Dossiers Shop Channel Belgium Masterclass Login Inside online Abonnez-vous Login Home//Junior Project...