Oracle APEX Developer MOW000711

Location: Brussels Belgium (Hybrid)
Start Date: 27 July 2026
Contract End: 31 January 2027
Application Closing Date: 6 July 2026

We are looking for an Intermediate Oracle APEX Developer to join a public sector digital transformation project focused on the development and maintenance of an enterprise application platform supporting infrastructure procurement and cost management.

You will become part of a collaborative development team responsible for enhancing a suite of Oracle APEX applications used to manage economic data pricing and cost estimation for public infrastructure projects. The platform also incorporates AI-powered solutions using Python and Azure OpenAI to automate data extraction and improve operational efficiency.

This role is a replacement position within an established team and offers the opportunity to contribute to the ongoing evolution of a critical government platform.

• Develop and maintain Oracle APEX applications.
• Design code test debug and support Oracle PL/SQL solutions.
• Extend Oracle APEX functionality using JavaScript.
• Collaborate closely with database specialists technical leads business stakeholders and testers.
• Participate in Agile development activities.
• Contribute to the continuous improvement of application usability (UX/UI).
• Support maintenance and enhancement of existing applications.
• Assist with AI-enabled functionality where applicable.

• Minimum 3 years experience developing Oracle APEX applications.
• Strong knowledge of Oracle SQL and PL/SQL.
• Experience developing user-friendly applications with a focus on UX/UI.
• Solid JavaScript skills for Oracle APEX customization.
• Ability to work independently as well as within a collaborative team.
• Native-level Dutch proficiency (CEFR C2).

• Experience working within government or public sector environments.
• Strong experience in coding testing debugging and application maintenance.
• Knowledge of Agile software development methodologies.
• Experience with AI applications and prompt engineering.
• Experience using APEX Office Print (AOP) for report generation.

• HTML and CSS for responsive and custom interface design.
• Interest in AI-assisted software development.
• Affinity with public procurement infrastructure projects or cost engineering.

You will work within a small highly collaborative development team consisting of:

• Oracle APEX Developer
• Oracle Database Specialist
• Analyst / Technical Lead

Functional testing is carried out by an internal specialist with close collaboration alongside business project managers throughout the development lifecycle.

• Hybrid working model.
• Approximately one day per week onsite in Brussels Belgium.
• Full-time assignment (100%).
• Estimated workload: 800 hours.

If you have strong Oracle APEX development experience and enjoy building enterprise applications that support large-scale public infrastructure initiatives wed love to hear from you.