Senior Tester

Start date : 02/11/2026 (one-year initial contract with potential extensions)

50% Hybrid Brussels-1000

We are looking for an experienced Senior Tester to join a major organization in the financial sector. The successful candidate will play a key role in testing the migration of a critical business application to the cloud and ensuring the quality of all related functionalities.

Responsibilities

- Define and maintain test plans.
- Design, document, and execute test cases.
- Perform test analysis and test case specification.
- Execute functional and regression testing.
- Manage defects and support issue resolution.
- Document test cases and results in Jira Xray.
- Support and train business stakeholders in test execution.
- Collaborate closely with business and technical teams.

Deliverables

- Documented and executed test cases in Jira Xray.




- Testing reports and defect tracking.
- Support for business users during testing activities.

Required Skills

- Strong understanding of testing methodologies and processes
- Test analysis and test case design
- Test execution and defect management
- Regression testing techniques
- Experience with Jira Xray

Preferred Qualifications

- ISTQB Foundation Certification
- Experience in cloud migration projects

Personal Skills

- Strong communication skills
- Team player mentality
- Ability to work under pressure
- Versátil and solution-oriented mindset
- Strong organizational skills
- Commitment to delivering quality results on time

Languages

- English and Dutch and/or French

📌 Senior test engineer (España)
🏢 Atos
📍 España