For a test automation assignment for a public sector client, we are looking for a junior/medior test automation engineer.

Start: June 2026
Duration: 31/12/2027, with a possible extension
Full-time assignment, partly remote
Language skills: French or Dutch and English
Budget: 570/600 Euro per day, excl. VAT

Context

For a strategic IT modernization project within a federal government organization, we are looking for an experienced Automation Tester / Test Automation Consultant. You will participate in the redevelopment of a business-critical application and play a key role in ensuring software quality within a complex, microservices-based architecture.
Belcotax application

Approach

As an automation tester, you are responsible for:

• Designing and maintaining recurring automated tests and mocking
• Creating and managing test datasets
• Executing tests within the TAF environment

You will work closely with functional analysts and developers and will be involved from the beginning of each user story. Anticipation, organizational flexibility, and smooth communication across team boundaries are essential in this role. You will work according to the guidelines established by the central QA & Control team, which also organizes the transversal coordination of test automation.

Project

You will participate in a strategic rewrite project in which an existing monolithic application (supplemented by externally developed modules) is transformed into a microservices architecture.

The application is similar to:

• Banking applications (management of payments, accounts, and refunds)
• Accounting systems

You will be deployed in one of the priority domains:

• Accounting management
• Transactions and orders
• Business rules
• Interfaces

Your responsibilities

• Designing, implementing, and maintaining automated tests
• Clarifying functional and non-functional requirements
• Creating test plans and documenting test results
• Reporting on software quality to stakeholders (developers, analysts, team leads, QA, and management)
• Helping to define the test automation strategy, test coverage, tooling, and test architecture
• Coaching and guiding colleagues within the testing domain

Required competencies

Functional & Methodological (must-have)

• You have at least 3 years of experience in test automation
• Experience with analyzing and clarifying functional and non-functional requirements
• Thorough knowledge of test methodologies and preferably certified (ISTQB or equivalent)
• Experience with Agile and Scrum
• Strong communication skills
• Good knowledge of English and at least one of the official national languages

Technical (must-have)

• Good knowledge of Gherkin and Playwright or Selenium
• Experience with BDD and tools such as Cucumber
• Thorough knowledge of XRAY
• Experience with JIRA and Confluence
• Strong programming skills, preferably in Java
• Knowledge of, among others, JavaScript, JSON, XML, OpenAPI, Angular, Spring Boot, and HTML
• Experience with API testing (Postman, SoapUI, automated via Java/Spring Boot)
• Understanding of API concepts such as idempotency, versioning, pagination, error handling, DLQ, and Belgif
• Knowledge of message queuing systems (ActiveMQ, RabbitMQ)
• Thorough knowledge of databases, test datasets, and SQL
• Basic knowledge of containerized environments (Kubernetes, Pods, Clusters) and associated tools such as GitLab, ArgoCD, Helm, Harbor, Lens