Senior Java Backend Engineer (m/f)

ARHS Group, part of Accenture, is looking for a Senior Java Backend Engineer to join one of our client teams in Luxembourg within a European institutional environment .

In this role, you will contribute to the development and maintenance of Java-based applications and web portals using Spring Boot . You will work closely with technical and functional teams to deliver reliable backend solutions deployed across on-premises and cloud environments.

THE WORK:

• Develop, maintain, test, and deploy Java and Spring Boot applications, web portals, components, and libraries.
• Design and implement backend services and integrations using REST and SOAP web services.
• Collaborate with team leads, technical leads, business analysts, developers, and testers to understand requirements and ensure consistency across solutions.
• Contribute to automated testing and continuous integration and deployment processes.
• Deploy and monitor applications in on-premises and cloud-based containerized environments .

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.

HERE’S WHAT YOU’LL NEED:

• Strong experience in Java 17 , preferably Java 21 or higher.
• Solid knowledge of Spring Framework 6.x and Spring Boot 3.x , or higher versions.
• Experience with JPA / Hibernate .
• Knowledge of REST and SOAP web services and asynchronous communication using Kafka .
• Experience with unit testing frameworks such as JUnit or TestNG , and mocking frameworks such as Mockito .
• Experience with Maven, Git, CI/CD pipelines (preferably Azure DevOps), and Docker .
• Familiarity with cloud environments, preferably Microsoft Azure .
• Knowledge of authentication and authorization using OIDC / OAuth .
• Ability to collaborate effectively with technical and functional teams.

BONUS POINTS IF YOU HAVE:

• Experience in full-stack web development using a JavaScript framework, preferably React .

As part of our security and compliance procedures, candidates will be required to undergo a criminal background check prior to employment.