Oracle APEX Developer (Intermediate)-MOW000711

  • Brussels, Belgium
  • Contractor
  • On-Site
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Job Description:

Oracle APEX Developer (Intermediate)

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

About the Role

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.

Responsibilities

  • 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.

Required Skills & Experience

  • 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).

Preferred Experience

  • 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.

Nice to Have

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

Team Environment

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.

Working Arrangement

  • 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, we'd love to hear from you.