Senior Java Developer

Senior Java / Spring Boot Developer

Location: Luxembourg – 3 days onsite per week

Responsibilities

• Develop, maintain, test and deploy Spring Boot web portals, applications, components and libraries using Java and the Spring framework.
• Collaborate with team leads, tech leads, business analysts, developers and other testers to understand requirements and ensure consistency and coherence.
• Deploy and monitor applications in on-premise and cloud-based containerised environments.

Requirements

• Bachelor's Degree.
• 7+ years of relevant backend development experience.

Technology Stack

• Java 17 (preferably Java 21 or higher).
• Spring Framework 6.x or higher & Spring Boot 3.x or higher.
• JPA / Hibernate.
• Web services (REST, SOAP).
• Asynchronous communication using event streaming (Kafka).
• JUnit / TestNG.
• Mockito or a similar mocking framework.
• DevOps: Maven, Git and CI/CD pipelines (preferably Azure DevOps).
• Containers: Docker.
• Cloud technologies (preferably Azure).
• Authentication / Authorisation using OIDC / OAuth.

Would Be a Big Plus

• Full-stack web development experience with a JavaScript framework, preferably React.