Medior Full Stack Developer (React/Java)Location: Brussels / hybrid possibleWe are looking for aMedior Full Stack Developer (React/Java)to join an exciting project in thebanking sector. You'll play a key role in buildingreliable banking solutionsthat support a high-performingdealing room environment.If you're passionate about clean code, reliability, and working on complex systems that matter — this is the role for you.Your ResponsibilitiesAs a Full Stack Developer, you'll work on both the front-end and back-end of a critical financial application. Your focus will be on building and maintaining systems that deliverhigh performance, security, and uptime.Key tasks include:Back-end Development:Build and maintain the back-end infrastructure using Spring Boot / Java, ensuring reliability, uptime, and data integrity within a banking context.Front-end Development:Design and implement new features and improvements to the user interface using .System Reliability:Ensure high system availability and minimize downtime through proactive monitoring and maintenance.Troubleshooting & Debugging:Identify, analyze, and resolve technical issues to guarantee smooth operation and reliability.Testing:Write well-tested, maintainable, and high-quality code.Technical EnvironmentMust-have skills:Java / Spring BootREST APIsPostmanOpenIDSQLNice-to-have skills:JiraCloud / DevOps experienceAzure PortalMS SQL ServerKQLExperience with event-driven frameworksWhy join this project?Contribute to high-impact software used in the financial industry.Work in an environment focused on stability, scalability, and performance .Collaborate with experienced engineers and financial experts.Opportunity to expand your skills in cloud technologies (Azure) and DevOps.