Senior Java JEE Developer (m/f)

Luxembourg, Luxembourg District, lu on site Until 8/23/2026 First posted November 2, 2025 Last posted November 2, 2025
Job description

Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.

Arηs Group was acquired by Accenture in July 2024.

ARHS, part of Accenture, is hiring a Senior Java JEE Developer to work at one of the top EU institutions in Luxembourg. This is a full-time position where you'll be working on large-scale projects that have real-world impact.

THE WORK:

  • Backend and frontend development.
  • Analyzing requirements and producing specifications.
  • Development and maintenance of applications.
  • Implementing change requests.
  • Producing technical documentation.

Onsite at client site: This role requires an onsite presence with our clients and partners to support project delivery and strengthen client relationships. Our roles require in-person time to encourage collaboration, learning, and relationship-building with clients, colleagues, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs.

HERE’S WHAT YOU’LL NEED:

  • Solid experience in Java EE 7 development, including EJBs, CDI, JPA, and JBoss.
  • In-depth knowledge of data modeling and object-relational mapping.
  • 7+ years of experience in designing REST APIs.
  • Strong understanding of integration and deployment tools.
  • Proven experience in continuous integration and delivery pipelines.
  • Familiarity with test environments (e.g., Sonar, Maven, Jenkins).
  • Strong experience in SQL and data design.
  • Familiarity with IT Security frameworks and tools used in application development and maintenance.

BONUS POINTS IF YOU HAVE:

  • Knowledge of Jira, IntelliJ, Git, and Nexus
  • Knowledge of Oracle databases
  • French language skills
About this role

Summary

Develop and maintain Java EE applications, APIs, and ensure security and data integrity.

Job title

Senior Java JEE Developer

Experience level

7+ years

Industry

software

Location requirements

onsite in Luxembourg, no remote work allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

java ee 7ejbcdijpajbossrest apisqlci/cdsonarmavenjenkinssecurity

Preferred skills

jiraintellijgitnexusoraclefrench

Specializations

java eerest apisqlintegrationsecurity
Locations

Structured locations inferred from the posting.

Luxembourg

On-site City