Application and Software Developer (Senior)

Brussels, Brussels, be remote Until 10/7/2026 10+ years exp First posted August 8, 2026 Last posted August 8, 2026
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.

Arηs Group, Part of Accenture, is looking for a Senior Application and Software Developer for one of its clients, a European agency operating large-scale digital services.

Role & Responsibilities

  • Design, develop and maintain enterprise software applications.
  • Implement new functionalities and system integrations.
  • Develop reusable and interoperable software components.
  • Participate in architecture discussions and code reviews.
  • Create and execute unit and integration tests.
  • Produce and maintain technical documentation.
  • Mentor junior developers and contribute to technical best practices.

Your Profile

  • Minimum 10 years of IT experience, including at least 5 years in software development.
  • Strong experience with modern software engineering practices.
  • Experience working in Agile development teams.
  • Ability to work independently and collaboratively.
  • Strong problem-solving and communication skills.

Technical Skills

  • Java
  • Spring Boot
  • REST APIs and Microservices
  • Kafka
  • PostgreSQL
  • Git/GitHub
  • Docker
  • Kubernetes/OpenShift
  • CI/CD pipelines
  • JUnit
  • SonarQube
  • Maven/Gradle

WHAT´S IN IT FOR YOU?

  • We value your contribution, which is why we offer a competitive and attractive salary package.
  • Your wellbeing is our priority – from day one, you are covered by a comprehensive health insurance plan.
  • Benefit from a convenient meal allowance provided through a ticket restaurant card.
  • Take part in impactful projects that make a difference at both the national and European level.
  • Continue to grow with us through in-house training sessions and a wide range of online learning opportunities.
  • Join a collaborative culture where we regularly celebrate achievements and milestones together.
About this role

Summary

Design, develop, and maintain enterprise software applications, mentor junior developers, participate in architecture discussions.

Job title

Application and Software Developer (Senior)

Experience level

senior level

Minimum experience

10+ years exp

Industry

software

Location requirements

Brussels, Belgium, remote work not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

JavaSpring BootREST APIsKafkaPostgreSQLGitDockerKubernetesCI/CDJUnitSonarQubeMaven

Preferred skills

None specified

Specializations

Javamicroservicescloudagile
Locations

Structured locations inferred from the posting.

Brussels, Belgium

Remote City