Technical Tester – API & Data Integration
Brussels-Capital
Digital - Testing and QA
Work experience: 3-5
Reference number: 93598

Our client, a prominent organization in the transportation sector, is seeking a Technical Tester to join their data and planning department. The role focuses on ensuring the quality and reliability of backend systems and integration layers within a complex operational environment.

Your responsibilities:

  • Execute technical testing for API integrations covering REST and SOAP protocols.
  • Perform data validation and complex technical queries within Relational Databases.
  • Verify authentication mechanisms and error handling logic within integrated software solutions.
  • Develop and maintain technical test cases based on functional and non-functional requirements.
  • Identify, document, and track software defects while collaborating with development teams.
  • Support the continuous improvement of quality assurance processes within the project.

What are we looking for?

  • 5+ years of proven professional experience as a Technical Tester.
  • 2+ years of hands-on experience with API integrations, including REST, SOAP, and authentication.
  • 2+ years of hands-on experience with Relational Databases.
  • You hold a Bachelor or Master’s degree in Information Technology or can demonstrate equivalent professional experience.
  • You possess clear and structured communication skills.
  • You are fluent in English with professional proficiency in French or Dutch.

What do we offer?

  • Start date: 30/03/2026
  • Duration: Until 31/03/2027
  • Work regime: Full-time
  • Location: Brussels
  • Working model: Hybrid (minimum 2 days onsite per week, currently Tuesday and Thursday)
  • Contract: open to both permanent employees and freelancers

Gil Van Vaerenbergh
HR & Talent Consultant
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