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We are supporting a leading private bank in Luxembourg that is looking for a Software Development Engineer in Test (SDET) to join their Application Management team. This is a fully technical engineering role, working closely with Java and JavaScript/TypeScript developers to enhance test coverage across functional, integration, performance, and security testing. You will report directly to the Software Development Lead and contribute to building and maintaining scalable, high-quality testing solutions in a modern software development environment.
Job Responsibility:
Designing, developing, and maintaining automated test solutions
Improving functional, integration, performance, and security test coverage
Working closely with Java and JavaScript/TypeScript developers
Building and enhancing robust testing frameworks
Testing REST APIs, microservices, and Web UI components
Integrating automated tests into CI/CD pipelines
Supporting overall product quality throughout the software lifecycle
Requirements:
Around 4 years of professional experience in an SDET or similar role
Strong programming skills in Java, Python, and JavaScript/TypeScript
Solid understanding of REST APIs, microservices, and Web UI testing
Experience with testing frameworks such as JUnit, TestNG, Cypress, Playwright, or PyTest
Familiarity with CI/CD tools, preferably GitLab
Fluent technical English
Nice to have:
Experience with cloud platforms (Azure) and containerization (Docker, Kubernetes) is an advantage