Senior Test Automation Engineer - CEG000335

Senior Test Automation Engineer

Antwerp, Belgium (Hybrid)
Start Date: June 2026

Overview

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.