Functional Tester

Title: Functional Tester / Quality Analyst

Duration: ASAP- 31/12/2026 with option to extend

Location: Berchem, BELGIUM

Languages: Dutch

Work Regime: Fulltime | Hybrid (2-3 days onsite per week)

Job Description

Job Description - Roles and Responsibilities

Concise vacancy text

• For the Offices team, we are looking for an experienced Functional Tester who is responsible for the quality and reliability of our legacy applications. These applications support important processes within the operation of our offices.
• You work closely with the Product Owner, analysts, developers and other testers. You analyze requirements, help sharpen acceptance criteria and translate them into clear test scenarios and test cases. You then perform functional, integration and regression tests and follow up defects up to and including the retest.
• You look beyond one application and monitor the quality of the entire process chain. With SQL, API testing tools, and technical troubleshooting, you can analyze data flows and help pinpoint issues efficiently. You take ownership, communicate clearly about quality risks and actively contribute to the improvement and automation of the test process.
• Within the existing description for an Agile Tester in Offices, emphasis is placed on collaboration with the Product Owner and analyst, defining acceptance criteria and testing requirements, quality assurance, and continuous improvement and automation of testing.

Who are we looking for?

You are an analytical and pragmatic tester who:

• Has experience with functional testing in a complex IT environment
• Challenge feasibility from a test perspective during feature refinements and identify potential test impact in a timely manner
• Estimate the required testing effort per feature as input for the planning and execution of the tests
• Critically analyze requirements and translate them into test cases
• End-to-end thinking and exploring issues across system boundaries
• Can independently look up and validate test data
• Collaborate constructively with business and IT
• Makes risks visible in a timely manner and takes ownership
• Is willing to delve into branch and banking processes
• Has an affinity with legacy applications and complex data flows

Must-haves

The candidate has at least:

• Proven experience with functional testing
• Experience in setting up and executing test scenarios
• Strong functional analysis skills
• Experience with integration and regression testing
• End-to-end insight into processes and application chains
• Working knowledge of SQL
• Experience with defect registration and follow-up
• Experience with Jira, Zephyr or similar tooling
• Strong communication and collaboration skills
• A proactive attitude and demonstrable ownership
• Willingness to get to know branch and banking processes in depth
• AI skills to help accelerate the team

Nice-to-haves

The following experience or knowledge is a clear added value:

• Experience within a bank or financial institution
• Experience with legacy applications
• Knowledge of SOAP and REST services
• Experience with Postman or SoapUI
• Knowledge of XML, WSDL and JSON
• Experience with batch processing
• Basiskennis van DB2, CICS of JCL
• Experience with test automation
• Kennis van Selenium, Java of Maven
• Experience with Jenkins or other CI/CD tooling
• Experience with incident and problem analysis
• An ISTQB Foundation certificate
• Experience within an Agile/Scrum or SAFe context