Job Description
Senior Test Automation Engineer
Antwerp, Belgium (Hybrid)
Start Date: June 2026
We are looking for a Senior Test Automation Engineer with a strong focus on backend testing and integrations. You will play a key role in ensuring the quality and reliability of complex, distributed systems within a large enterprise environment.
This role is ideal for someone experienced in event-driven architectures, API testing, and automation within Java-based environments
Key Responsibilities
Design, develop, and maintain automated test frameworks (Java-based)
Perform backend testing of APIs, integrations, and distributed systems
Validate asynchronous communication flows (Kafka, RabbitMQ, JMS, etc.)
Develop BDD scenarios (Gherkin) and implement them in automation frameworks
Integrate automated tests into CI/CD pipelines
Analyze, debug, and resolve issues in complex system landscapes
Collaborate closely with developers, analysts, and architects
Contribute to test strategy and continuous quality improvement
Requirements
Minimum 8+ years of experience in test automation
Strong experience with backend/API testing
Proven experience with messaging/queuing systems (Kafka, RabbitMQ, JMS)
Solid understanding of asynchronous architectures
Strong proficiency in Java for test automation
Experience with automation frameworks (JUnit, TestNG, Cucumber)
Hands-on experience with BDD (Gherkin)
Practical experience with CI/CD tools (Azure DevOps, Jenkins, GitLab)
Strong debugging and analytical skills
Fluent in Dutch or French, with good knowledge of English
Nice to Have
Experience in large enterprise environments
Knowledge of end-to-end integration testing
Experience working in Agile/Scrum teams
Additional Details
Full-time role
Hybrid working model (Brussels-based)
Contract until December 2026, with possible extension until 2028
If you're a detail-oriented automation expert who enjoys tackling complex backend systems and improving software quality at scale, this is a strong opportunity to make an impact.