Senior Fullstack Developer (Java / Agile / Cloud), Brussels

Our client, a major player in the banking sector, is looking for a Senior Fullstack Developer to join Agile teams responsible for building and evolving critical digital solutions. You will be part of a cross-functional squad in charge of designing, developing, and maintaining high-impact applications, particularly in environments related to digital channels, transactional systems, and backend banking platforms.Responsibilities

Design, develop, and maintain robust, scalable, and high-performance applications (frontend&backend) Translate business requirements into high-quality technical solutions Actively contribute to technical decisions and challenge architectural choices Develop and maintain APIs and integrations with internal and external systems Contribute to automated testing (TDD / BDD, unit and integration testing)Participate in the setup and continuous improvement of CI/CD pipelines Identify, analyze, and fix bugs and performance issues Ensure application resilience, security, and stability in production Collaborate closely with business stakeholders, Product Owners, architects, and infrastructure teamsContribute to continuous improvement of engineering practices and Agile processes Team Dynamics

sharing knowledge supporting and mentoring less experienced developers helping raise the overall technical level of the team Technical Environment

DevOps: CI/CD, Git, automated pipelines Others: system integration, API management, application security Profile

Minimum 5 to 8 years of experience in software development (more for senior profiles) Strong expertise in Java / Spring Boot and modern architectures Experience in fullstack development (React or equivalent frontend framework) Solid understanding of development principles: Clean Code Design PatternsObject-Oriented Programming (OOP) Hands-on experience with Agile / Scrum methodologies Good understanding of architectural challenges (performance, scalability, security, resilience) Experience with API and system integration Ability to work in complex, high-volume environments Languages

Professional English required French and/or Dutch is a plus

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