Senior .NET Developer
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Our client in the public sector is developing a modern, secure, and cloud-based data-exchange platform to replace a legacy integration system. This new platform will serve as a core component within a national digital transformation program, connecting multiple institutional systems through API-driven integration and Azure Cloud services.
As a Senior .NET Developer, you will contribute to the design, development, and migration of this new solution, collaborating with architects, analysts, and DevOps teams to ensure a seamless transition from the existing middleware environment.
Requirements
· Design and develop .NET-based components for the new data-exchange and integration platform.
· Integrate existing and future applications through APIs and cloud services.
· Configure and administer API Management and Enterprise Service Bus (ESB) components.
· Develop and maintain solutions using C#, ASP.NET, and Azure Logic Apps.
· Implement and manage CI/CD pipelines with Git-based tools and automation frameworks.
· Participate in unit testing, validation, and creation of technical documentation.
· Support data migration from the legacy platform to the new architecture.
· Collaborate through JIRA and Confluence for sprint tracking, issue management, and documentation.
· Contribute to infrastructure automation with Terraform (if applicable).
· Ensure data integrity, performance, and security throughout all development stages.
Technical Requirements
· 5 + years of hands-on experience with .NET (C#, ASP.NET).
· Experience with Azure Logic Apps, API Management, and ESB.
· Strong understanding of Azure Cloud environments and deployment patterns.
· Knowledge of API design, REST standards, and cloud-security best practices.
· Experience with Git, CI/CD, and modern DevOps delivery pipelines.
· Familiarity with Terraform or other infrastructure-as-code tools (advantage).
· Practical experience in enterprise or public-sector projects preferred.
· Daily working knowledge of JIRA and Confluence.
Soft Skills
· Autonomous and quality-driven with strong sense of ownership.
· Excellent analytical and documentation skills.
· Ability to work effectively in cross-functional Agile teams.
· Curious, proactive, and able to adapt quickly to complex environments.
Languages
· Good command of English (spoken and written).
· Working proficiency in Dutch or French is a plus; bilingual profile preferred.
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