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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:
Technical Expertise and Qualifications
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
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
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)
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
- Company
- ECKXEL EU Partners
Industries
Technology
Information
Internet
Categories
Information Technology
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Staff Backend Engineer
2026-07-12
Full-time
Not Applicable
Romania
Technology
Engineering
View Job Details
Related
Backend Developer (NodeJS / Typescript) | €65K - €85K
2026-07-12
Full-time
Mid-Senior
Spain
Technology
Information Technology
View Job Details
Related
Backend Engineer
2026-07-12
Full-time
Associate
Sweden
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