Senior Java Back-End Developer

Eckxel Eu Partners — Luxembourg · Posted ~2 hours ago

Senior

Skills

Java Spring Boot REST APIs Microservices SQL Agile/Scrum Git JUnit Maven/Gradle

🔓 Log in to save this job, tailor your resume & track your apply process — 7 days free, no card needed.

Log in to add to target list

Summary ✨ AI‑Generated

Join a leading European IT engineering firm supporting a renowned European public institution in Luxembourg. As a Senior Java Back-End Developer, you'll design, develop, and maintain scalable back-end services and APIs within an agile development process. You'll collaborate with cross-functional teams including front-end developers, QA testers, and functional analysts to deliver high-quality solutions for major European groups undergoing IT transformation.

Highlights

Work for a European IT engineering leader supporting a major European public institution, agile development environment, opportunity to work on scalable back-end services and APIs.

Description

Are you looking for an exciting opportunity and a job that will give your career a real boost? This offer is for you. To support one of our clients, a renowned European Public Institution in Luxembourg, we are looking for a skilled and motivated Senior Java Back-End Developer to join our development team. ECKXEL EU Partners is a European leader in IT engineering, high-tech consulting, and IT services. We offer a unique blend of expertise and support major European groups with an international focus in implementing and successfully completing their IT transformation and modernization projects. Job Description: You will be responsible for the design, development, and maintenance of back-end services and scalable APIs that power our applications. Within our agile development process, you will collaborate closely with front-end developers, QA testers, and the functional analyst. As a Java Engineer, you will perform the following tasks: Design, develop, and maintain efficient, reusable, and reliable Java codeDevelop APIs and back-end services for web applicationsOptimize applications for maximum speed and scalabilityIntegrate third-party APIs and servicesCollaborate with cross-functional teams to define and deploy new featuresEnsure code quality through code reviews, unit tests, and automated testsMonitor and troubleshoot production systems to ensure high availabilityMaintain and improve the existing codebase and legacy systems Technical Expertise and Qualifications Bachelor's degree in Computer Science, Engineering, or a related fieldMastery of Java (2+), including object-oriented programming principlesExperience with Spring Boot, Spring Framework, or similar Java frameworksGood understanding of RESTful APIs and microservices architectureFamiliarity with SQL databases (PostgreSQL, MySQL, etc.) etc.)Experience with version control tools such as GitUnderstanding of the software development lifecycle and agile methodologiesKnowledge of unit testing frameworks (PostgreSQL, MySQL, etc.) (Junit, Mockito)Strong problem-solving and debugging skillsExcellent communication and collaboration skillsExperience with CI/CD pipelines (e.g., Jenkins, GitHub Actions) Our offer: A particularly attractive salary package, with numerous additional benefits, to attract the best candidates. A professional and stimulating work environment in the telecommunications sector. Multiple career opportunities within a rapidly evolving group, advanced training in new technologies, and rich, recognized expertise. Your application will be treated with complete confidentiality. We would be delighted to arrange an initial meeting to discuss this opportunity with you and explore your next career path. Send us your CV at contact@eckxel.com or by using our online form https://www.eckxel.com/your-application/