Senior Software Engineer

Select
Vast contract Diegem, Flanders Computer Occupations
Posted:
June 04, 2026
Location:
Diegem, Flanders, Belgium

Job Description

Functieomschrijving

We are seeking a Senior Software Engineer (Java / Spring Boot) to strengthen their development team and contribute to the architecture and evolution of mission-critical backend services. As a senior team member, you will contribute to shaping the technical foundation of Europe’s digital future.

Key Responsibilities:
• Design the backend architecture and define how components such as user interfaces, internal tools, and external applications interact with the backend, with a focus on reliability, resilience, and recovery.
• Build services following microservices architecture principles and align with the Twelve-Factor App methodology for scalable, maintainable applications.
• Develop, optimize and maintain high-quality backend systems using Java, Spring Boot, and modern development practices.
• Contribute to solution architecture, applying patterns such as event-driven design, Saga, CQRS, and domain-driven design.
•...

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Job Overview

Job Type: Vast contract
Location: Diegem, Belgium
Posted: June 04, 2026
Deadline: July 14, 2026