Backend Java developer

ARHS

Brussels, Brussels, Belgium permanent

Posted: October 29, 2025

Required Skills

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. 

• Create process and data models, draw up technical specifications, build prototypes.
• Investigate technical solutions which meet a list of requirements and standards.
• Assist the project manager in making proposals for the definition of tasks, estimates and deliverables.
• Participate in functional working groups and progress meetings.
• Develop unit and integration test suites, plans and programs.
• Define and integrate technological components or applications.
• Produce technical and user documentation.
• Assist with deployment and configuration of the system.
• Take part in application support by investigating issues (3rd level support etc.).

• Bachelor's degree plus 4 years of relevant experience.
• Experience on Java (Spring Boot), REST, Oracle, ideally knowing GraphQL and having worked on projects using Angular
• Knowledge of web standards, CSS-based design, cross-browser compatibility
• Knowledge of REST and working with APIs, developing APIs, etc.
• Knowledge of issue-tracking and ticketing tools
• Knowledge of application integration
• Knowledge in database management system
• Good knowledge of English equal to B2 according to CERF level.

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