Java Developer

As a Senior Java Developer, you will be responsible for the following tasks:

Java Development & Technical Leadership

• Design, develop and maintain high-performance, scalable and reliable Java applications
• Build modern applications using Java, Spring Boot and related technologies
• Lead the setup and evolution of future-proof applications with a strong focus on customer value and code quality
• Contribute to the technical direction and architecture decisions of the squad
• Refactor and modernize monolithic applications into scalable and maintainable architectures
• Promote clean code principles and software engineering best practices

Architecture, Quality & Engineering Practices

• Work in modern environments leveraging Hexagonal Architecture and Domain-Driven Design (DDD) principles
• Apply Test-Driven Development (TDD), Behavior-Driven Development (BDD) and Pair Programming methodologies
• Ensure high standards in code quality, automation and maintainability
• Contribute to continuous integration and continuous delivery pipelines (CI/CD)
• Drive continuous improvement initiatives to enhance software delivery speed and operational quality
• Ensure adherence to development standards, security and quality tools

Agile Collaboration & Solution Delivery

• Collaborate closely with cross-functional Agile squads to deliver business value efficiently
• Analyze and refine functional and technical requirements with business and technical stakeholders
• Resolve complex technical challenges and propose innovative, scalable solutions
• Support the squad in delivering high-quality functionalities in a user-friendly and efficient way
• Participate actively in Agile ceremonies and contribute to continuous team improvement

Integration & Technology Ecosystem

• Develop and integrate solutions with relational databases, messaging systems and service buses
• Work with RESTful APIs and distributed system integrations
• Collaborate with DevOps and infrastructure teams to ensure stable and scalable environments
• Contribute to integration projects involving distributed systems and mainframe technologies when applicable

• Bachelor or Master degree in IT, Computer Science or equivalent experience
• Minimum 8 years of experience in Java development
• Strong expertise in software engineering and modern development practices
• Proven experience leading technical initiatives and contributing to technical strategy
• Strong analytical and problem-solving skills
• Passion for clean code, refactoring and software craftsmanship
• Team player with strong collaboration and communication skills
• Agile mindset with focus on continuous improvement and delivery excellence
• Autonomous, proactive and quality-oriented attitude

Technical Skills

Mandatory

• Strong expertise in Java and Spring Boot
• Maven
• Strong knowledge of object-oriented programming and software design patterns
• Experience with Oracle databases
• Experience with Kafka and messaging systems
• Experience with RESTful APIs
• Knowledge of CI/CD pipelines and testing frameworks
• Experience with Domain-Driven Design (DDD) and Hexagonal Architecture
• Experience with TDD, BDD and Pair Programming
• Familiarity with Git, GitLab, Jenkins, SonarQube, Fortify and Nexus
• Strong understanding of Agile methodologies

Nice to Have

• Experience with distributed and mainframe integrations
• Knowledge of ReactJS
• Experience in banking or enterprise-scale environments

Languages

• Good knowledge of English
• Active knowledge of French or Dutch
• Passive understanding of the second national language

If you're motivated, flexible, open-minded and ready to be a Nexeo Consultant, this role is made for you!

Nexeo is currently looking for a Senior Java Developer for one of the leading financial institutions in Belgium. Nexeo is a consultancy company that supports its clients in the banking, finance and insurance sectors in all phases of their transformation projects: from business consulting to the implementation of IT solutions. As a consultant you will have the opportunity to be part of Nexeo: * International environment (Offices in France, Belgium, Luxembourg, Switzerland & Canada) * +450 employees * Over 20% growth each year