Senior Java Software Engineer

About Brainsquare

Brainsquare is an engineering-driven IT service company active in enterprise application development, integration and delivery governance.

We design, build and maintain business-critical applications for large organizations in Belgium. Our teams combine strong technical expertise with ownership and pragmatic delivery.

For a mission in Brussels, we are looking for a Senior Java Software Engineer (5+ years experience) to strengthen an enterprise application landscape.

Senior Java Software Engineer

Your mission:

As a Senior Java Software Engineer, you contribute to both project delivery and application maintenance within a business-critical environment.

You take ownership from analysis support to implementation, testing, documentation and operational follow-up.

Responsibilities

Development & Delivery

• Contribute to and validate functional analysis and specifications.

• Deliver IT changes and projects within scope, budget and planning.

• Develop new components and enhance existing applications in line with standards.

• Perform code reviews and support release management.

• Test developments before handover to key users.

• Document technical implementations and user guidelines.

Application Maintenance & Support

• Handle application tickets for owned systems.

• Perform bug fixing and root cause analysis.

• Propose structural improvements.

• Maintain documentation and implement approved enhancements.

• Support business users and define response/availability agreements.

• Participate in support rotations if required.

Collaboration

• Work closely with IT colleagues and business stakeholders.

• Report progress transparently.

• Contribute actively to team meetings.

• Propose improvements that reduce Total Cost of Ownership (TCO).