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Freelance Senior Java BackEnd Software Engineer – Brussel

Freelance Senior Java BackEnd Software Engineer – Brussel

Hybrid

Brussels, Belgium

Senior

Freelance

11-02-2026

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Skills

Communication Java SQL PostgreSQL GitHub CI/CD Version Control Test Linux Programming Databases Shell Agile C++

Job Specifications

Freelance Senior Java BackEnd Software Engineer – Brussels

Location: Brussels (on-site)

We are looking for a Senior Java BackEnd Software Engineer to join a dynamic team providing technical support for a major financial application. Your main focus will be on analyzing, developing, testing, documenting, and supporting changes in this application, with a special emphasis on setting up CI/CD processes and managing associated code libraries.

Responsibilities:

Set up and manage CI/CD processes for critical applications.
Develop, test, and implement software changes in Java and scripting languages.
Support and train users, both technically and functionally.
Work in an agile team environment, ensuring quality, performance, and security.
Troubleshoot, document, and maintain the application.

Essential Requirements (Must-Have Skills):

Strong experience in Java SDK (object-oriented programming).
Experience with Shell scripting and Linux environments.
Experience with GitHub and Bitbucket for version control.
Analytical mindset and curiosity about both users and processes.
Excellent communication skills: fluent in English, knowledge of Dutch is a plus.
Detail-oriented, stress-resistant, and willing to work in a support environment, including occasional weekends.

Nice-to-have:

Experience with C++ (for legacy or performance-critical modules).
Experience with SQL databases (e.g., PostgreSQL).
Experience with Murex or similar financial systems.
Experience in agile development environments.

What We Offer:

Challenging freelance assignment in a professional and dynamic team.
Opportunity to play a key role in improving critical processes and tooling.
On-site work in Brussels.

Apply now if you are the Senior Java BackEnd Engineer we are looking for!

About the Company

Recurv is driven by passion. We help companies achieve full digital transformation by matching their needs with the right digital expertise in Digital Marketing, communication or IT. Together we create direct impact on our client’s online processes. Our applicants can choose between a permanent position or a temporary project at recurv. A highly personal approach ensures the best match between our digital experts and clients. Know more