
Senior Test Automation Engineer
Brainsquare4 days ago
Brussels, BelgiumSenior
Responsibilities
- Turn the test strategy into practical test plans and automated test suites.
- Test business logic, data integrity, APIs, microservices, integrations, and end-to-end user workflows.
- Build and maintain automated API and UI tests and integrate them into CI/CD pipelines.
- Validate API contracts and interactions with external systems.
- Perform or support performance, scalability, and security testing.
- Use monitoring and logging to investigate issues and improve test coverage.
- Define and implement testing approaches independently and communicate findings to technical and business stakeholders.
Requirements
- Substantial hands-on experience as a senior test engineer in complex application environments.
- Strong experience with test automation, API testing, and end-to-end testing.
- Experience testing cloud-based solutions, microservices, and integrations.
- Working knowledge of version control and automated quality checks.
- Experience with several relevant tools or approaches, including Bruno, Cypress, JUnit, Cucumber, JMeter, Gatling, Grafana, or Azure DevOps.
- Experience with Azure, contract testing, service virtualisation, or test-driven development is particularly relevant.
- Completed short- or long-cycle higher education degree in IT.
- Very good English and good working knowledge of Dutch or French.
- Ability to collaborate with developers and business stakeholders, challenge assumptions, and explain findings clearly.
Benefits
- Permanent contract with a competitive salary and benefits package for employees.
- Opportunities to develop expertise and support from colleagues across the technical community.
- Freelancers receive a clear project briefing, direct communication throughout selection and assignment, and collaboration with technically knowledgeable colleagues.
- Work on site in Brussels approximately three days per week alongside remote work.
- Mobility options and package details are discussed based on the individual situation.
About Brainsquare
Brainsquare is a privately held IT services firm based in Zaventem, Belgium, founded in 1998, that designs, builds, and manages enterprise application landscapes. It provides consulting and managed services in application development and integration—covering .NET/Java stacks, APIs, data integration, and cloud—combining on-site teams with global delivery for ongoing operations. It serves organizations seeking full-stack development, system integration, and support for critical business applications.