Senior Full Stack Java Developer - ASAP Start - Brussels - Freelance / CDI

Company Description

Join a dynamic ICT service unit dedicated to developing cutting-edge digital solutions that streamline professional workflows and enhance citizen services. This team builds platforms, applications, and e-portals that simplify interactions between professionals, clients, and public institutions. The work environment is legally complex and data-sensitive, requiring high standards in privacy, integrity, and security.

Job Description

As a Full Stack Developer, you will contribute to the development of robust, secure, and user-friendly applications tailored to the needs of a specialized professional domain. You will work in an Agile environment and collaborate with cross-functional teams to deliver high-quality software solutions.

Key Responsibilities

Back-End Development

• Design and implement Java applications (Java 11) with high standards of quality.
• Build RESTful APIs using Spring Boot and related technologies.
• Write efficient SQL queries and manage data using Microsoft SQL Server.
• Ensure code quality through unit/integration testing, documentation, and compliance checks (Sonar, OWASP).
• Contribute to a Service-Oriented Architecture (SOA).
• Share expertise in Spring, Maven, JPA, and CI/CD practices in GCP.
• Coach junior developers and promote best practices.
• Experience with Docker and Kubernetes is a plus.

Front-End Development

• Develop responsive and user-friendly interfaces using Angular (2+).
• Apply modern frontend patterns (Smart/Dumb Components, Redux, RxJs).
• Utilize Angular CLI, Material Design, and JavaScript testing frameworks.
• Collaborate with UX/UI designers to deliver intuitive user experiences.

Qualifications

Required Skills & Experience

• Proven experience in Java development with Spring and Hibernate.
• Solid understanding of REST/SOAP and web technologies (HTML/CSS/JavaScript).
• Familiarity with object-oriented design and development patterns.
• Experience with reactive programming and frontend architecture.
• Knowledge of Domain Driven Design is an asset.
• Professional proficiency in French or Dutch, with passive understanding of the other language.
• Strong command of English for IT-related communication.

Personal Attributes

• Pragmatic and detail-oriented.
• Creative and open to new ideas.
• Proactive, autonomous, and flexible.
• Collaborative team player.

Work Environment

• Hybrid work model: 60% remote, 40% on-site at centrally located Brussels office.
• Scaled Agile methodology tailored to team needs.
• Collaborative and expert-driven culture.