Senior Test Engineer – Integration Microservices

About the role

We are looking for a Senior Test Engineer to join VASS Benelux in Luxembourg. The role focuses on developing integration micro‑services and automating tests for ESB interfaces and SaaS solutions.

Key responsibilities

• Design, develop and document integration micro‑services that connect bespoke applications and SaaS products.
• Automate functional and integration tests for ESB interfaces and APIs.
• Perform analysis, design, development and testing of software components.
• Create, manage and report test plans using manual and automation tools.
• Collaborate with development teams to ensure quality and timely delivery.

Required profile

• Strong experience in frontend development (HTML, CSS) and JavaScript frameworks such as React or Angular.
• Proficiency with Java technologies and frameworks (Spring, JEE).
• Solid understanding of database design principles and SQL.
• Experience with test management and API automation tools.
• Excellent written and verbal communication, ability to synthesize information and meet tight deadlines.

Required skills

• HTML
• CSS
• JavaScript
• React
• Angular
• Java
• Spring
• JEE
• SQL
• API testing
• Test management tools
• Automation testing tools