Senior Java Developer - Nexeo

Job Specifications

Nexeo Belgium is looking for a Senior Java Developer to join a major transformation program within the financial sector.
As a Senior Java Developer, you will:
Participate in the development, refactoring, or greenfield creation of business-critical applications in a complex enterprise landscape.
Design and implement backend components and web services using Java and Spring, ensuring scalability and maintainability.
Collaborate with analysts, architects, and fellow developers to define robust software solutions and contribute to technical design.
Support testing (JUnit), technical documentation, and deployment pipelines (CI/CD) while mentoring junior team members.
Ensure technical excellence through Agile and DevOps best practices (SCRUM, TDD, code reviews, pair programming).
Your profile:
7+ years of experience in Java development with strong knowledge of Spring ecosystem (Spring Boot, Spring Security, JPA, etc.).
5+ years of experience in front-end development with Angular and TypeScript.
Excellent knowledge of REST & SOAP APIs, microservices, and containerization (Docker, OpenShift).
Proficient with integration tools and CI/CD (Jenkins, Maven, Git, SonarQube).
Experience with relational databases (PostgreSQL, SQL Server, Oracle) and ORM frameworks.
Familiarity with BPMN, UML, and Agile documentation practices.
You have:
A pragmatic and solution-oriented mindset.
A team player attitude with the ability to coach and support junior developers.
Experience working in Agile/SCRUM environments and handling complex multi-system integrations.
Strong communication skills in English + active knowledge of French or Dutch.
Belgian nationality and residency in Belgium (mandatory due to project sensitivity).
Soft skills:
Proactive, structured, and quality-focused.
Able to understand business needs and translate them into technical solutions.
Comfortable participating in technical meetings and liaising with stakeholders.
Self-driven and capable of working in hybrid work models.

We offer:
A competitive freelance or permanent salary package
Involvement in high-impact digital transformation projects
A supportive and expert-level team environment
Ready to code the future of finance?
Apply now and join Nexeo Belgium!
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About the Company

Since 2002, Nexeo has been providing its customers with strategic, operational and technical support for all their digital transformation projects. Over the past 20 years, we have worked with more than 50 of the major players in the Paris banking and finance industry. With our dual IT and business expertise, we offer consulting in management, performance management, risk and compliance, as well as application engineering and technical assistance, with the aim of implementing agile, efficient transformations that create valu... Know more