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Senior Java Developer – French Speaking (mf)

ARHS


Job Location:

Luxembourg - Luxembourg

Monthly Salary: Not provided by the employer
Posted: 22 October 2026 (12 days ago)
Application Deadline: 19 January 2027
Vacancies: 1 Vacancy

Job Summary

ARHS Group part of Accenture is looking for experienced Senior Java Developers with French language proficiency to join our client teams in Luxembourg working on various digital transformation projects within the Luxembourgish public sector.

You will contribute to the development and modernization of business-critical applications used by Luxembourg public institutions. Working in collaborative technical teams you will design develop and improve Java-based solutions contribute to architectural decisions and help deliver reliable and maintainable applications.

THE WORK:

  • Design develop and maintain Java applications using Spring Boot and the Spring Framework.

  • Build and integrate REST APIs backend services and microservices.

  • Contribute to technical design application architecture and the modernization of existing systems.

  • Work with relational databases including SQL queries data modelling and object-relational mapping (ORM).

  • Write clean maintainable and well-tested code following software development best practices.

  • Participate in code reviews troubleshooting debugging and performance optimization.

  • Contribute to automated testing continuous integration and deployment processes.

  • Collaborate with developers architects business analysts and other stakeholders throughout the development lifecycle.

  • Participate in Agile development activities and contribute to the continuous improvement of applications and development practices.

  • Prepare and maintain relevant technical documentation.

Onsite at client site: This role requires an onsite presence with our clients and partners to support project delivery and strengthen collaboration.

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.

HERES WHAT YOULL NEED:

  • Fluency in French is mandatory both written and spoken.

  • Minimum 5 years of professional experience in Java development preferably working on complex enterprise applications.

  • Strong hands-on experience with Java Spring Boot and the Spring Framework.

  • Solid knowledge of REST APIs microservices and backend application development.

  • Good understanding of object-oriented programming software design principles and application architecture.

  • Experience with SQL relational databases and ORM frameworks such as Hibernate or JPA.

  • Experience with Git Maven and continuous integration/continuous deployment (CI/CD) practices.

  • Familiarity with automated testing and code quality practices.

  • Ability to analyze technical requirements troubleshoot issues and propose effective solutions.

  • Strong communication skills and the ability to collaborate within multidisciplinary teams.

BONUS POINTS IF YOU HAVE:

  • Experience with Docker Kubernetes or containerized application environments.

  • Knowledge of messaging and event-driven technologies such as Kafka.

  • Experience with frontend technologies particularly Angular.

  • Familiarity with cloud platforms and modern deployment environments.

  • Previous experience working on public sector projects or large-scale digital transformation initiatives.


Remote Work :

No


Employment Type :

Full-time


About Company

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Ar?s is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art software development, business intelligence and infrastructure services. We are composed of 17 entities across 9 countries that ... View more

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