Senior .NET Developer – .NET Core & Azure

Our client, a major organization in the transportation sector, is seeking a senior developer to design and build software solutions for transport execution management. The role involves taking ownership of high-quality applications and collaborating with stakeholders to translate complex business needs into reliable technical reality.

• Design and build high-quality, well-tested software solutions within the transport management domain.
• Collaborate with solution designers and business stakeholders to translate conceptual ideas into reliable applications.
• Implement clean code practices following proven engineering principles and architecture.
• Design and develop secure, performant APIs and integrate them with backend systems.
• Manage containerized deployments and maintain robust deployment pipelines.
• Ensure software quality through meaningful, automated testing and code craftsmanship.
• Take full responsibility for delivering complete solutions while actively sharing knowledge within the team.

• 8+ years of backend development experience with .NET, including LINQ, async/await, and design patterns.
• 5+ years of experience applying Clean Code, Clean Architecture, and SOLID principles.
• 3+ years of experience with Azure Cloud development and PaaS components.
• 3+ years of experience designing and developing .NET Core Web APIs.
• Experience with unit testing and maintaining high test quality standards.
• Experience with SQL database design, relational modeling, and query optimization.
• Experience with CI/CD practices using Azure DevOps, Kubernetes, and Docker.
• Experience with Git version control and efficient branching strategies.
• Professional, constructive, and able to communicate technical choices clearly.
• You are fluent in Dutch or French at C2 level with C1 level of English.

Nice to Haves

• Experience designing Android applications with offline usage and synchronization capabilities.
• Knowledge of event-driven patterns and local persistence synchronization.

• Start date: 01/09/2026
• Duration: Until 31/08/2028
• Work regime: Full-time
• Location: Brussels
• Working model: Hybrid (minimum 2 days onsite)
• Contract: open to both permanent employees and freelancers