We are seeking an experienced Senior Java Developer to support a major digital transformation initiative within one of Belgium’s most prominent banking institutions.
Logistics: Position:
Freelance Senior Java Developer Duration:
12-month rolling contract (extensions expected) Location:
Brussels (Hybrid - 2 days on-site per week) Start Date:
1st of Jan Day Rate:
€(Competitive & Negotiable) Languages:
English (Dutch or French is a plus)
Key Responsibilities: Design, develop, and maintain robust backend services using
Java (Spring Framework) Translate functional requirements into clean, high-quality, maintainable code Build and secure
RESTful APIs
and integrate with third-party systems Evolve and migrate legacy systems into modern Java-based platforms Collaborate closely with analysts, testers, and fellow developers in an
Agile squad Drive performance, reliability, and security through
unit testing, code reviews, and refactoring Participate in
CI/CD pipelines
and help shape DevOps best practices Contribute to a culture of clean code, pair programming, and continuous improvement
Ideal Candidate: 4+ years of professional experience in
Java backend development Strong grasp of
Object-Oriented Programming ,
SOLID principles, and
domain-driven design Experience with
Spring ,
Maven ,
Oracle DB, and
REST APIs Familiarity with tools like
Git ,
Jenkins ,
SonarQube ,
Fortify, and
NexusIQ Proactive communicator who enjoys
collaborative problem-solving
in Agile teams Committed to writing readable, testable, and maintainable code (TDD experience is a plus) Experience with
code reviews ,
pair programming, and
Scrum methodologies Strong sense of ownership and eagerness to contribute to team success
Desirable: Experience with
modern CI/CD and DevSecOps pipelines Background in
regulated sectors
such as banking, insurance, or telecom Knowledge of
containerization ,
cloud deployments, or
large-scale integrations Exposure to
event-driven systems, although not mandatory
Interested in shaping the future of digital banking infrastructure? Apply now - early conversations are underway for a Jan 2025 start.