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ECKXEL EU Partners

Java Back-End Developer

ECKXEL EU Partners
Luxembourg · Full-time · Associate

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 code
  • Develop APIs and back-end services for web applications
  • Optimize applications for maximum speed and scalability
  • Integrate third-party APIs and services
  • Collaborate with cross-functional teams to define and deploy new features
  • Ensure code quality through code reviews, unit tests, and automated tests
  • Monitor and troubleshoot production systems to ensure high availability
  • Maintain and improve the existing codebase and legacy systems

Profile

Technical Expertise and Qualifications

  • Bachelor's degree in Computer Science, Engineering, or a related field
  • Mastery of Java (2+), including object-oriented programming principles
  • Experience with Spring Boot, Spring Framework, or similar Java frameworks
  • Good understanding of RESTful APIs and microservices architecture
  • Familiarity with SQL databases (PostgreSQL, MySQL, etc.) etc.)
  • Experience with version control tools such as Git
  • Understanding of the software development lifecycle and agile methodologies
  • Knowledge of unit testing frameworks (PostgreSQL, MySQL, etc.) (Junit, Mockito)
  • Strong problem-solving and debugging skills
  • Excellent communication and collaboration skills
  • Experience 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

Key Skills

Ranked by relevance

java postgresql mysql microservices restful apis spring boot jenkins junit cicd sql
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Posted
Mar 20, 2026
Type
Full-time
Level
Associate
Location
Luxembourg

Industries

Technology Information Internet

Categories

Information Technology

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