Vacancy: Senior .NET Core DeveloperLocation: Brussels, Belgium About the client Belgium's financial regulatory authority is responsible for supervising and regulating the national financial markets. Working closely with the National Bank of Belgium and other EU member states, it plays a vital role in ensuring the stability, transparency, and integrity of the financial system. To strengthen its Digital and IT teams, the organization is seeking a Senior .NET Core Developer with strong hands-on experience in designing and developing modern .NET Core applications within the Microsoft technology stack. Job Description The selected candidate will develop and maintain .NET application portal, which supports the registration of supervised entities and the management of related documentation. This role requires both front-end and back-end expertise, as well as a proactive approach to development, testing, and maintenance within an Agile and DevOps environment. Key Responsibilities Co-develop and maintain .NET Core portal application. Ensure high-quality development through structured coding practices and adherence to standards. Perform unit testing of developed modules. Participate in technical task estimation, sprint planning, and daily stand-up meetings. Collaborate actively with the project team to deliver milestones on time and with high quality. Contribute to the continuous improvement and migration of the application toward a full extranet portal. Provide support for DevOps, integration, and maintenance activities when needed. Soft Skills Ideally bilingual French/Dutch; if not, fluent inone with strong passive understanding of the other (able to understand and communicate at a basic level). Strong analytical and synthetic thinking. Solid understanding of the full software development lifecycle. Excellent communication and problem-solving skills. Able to work both independently and collaboratively as part of a team. Requirements.NET programming (large or mid-sized applications) 5 Years .NET Core framework 4 Years Front-end & Back-end development Angular, Material Design,, TypeScript Visual Studio (CI/CD development & testing) Agile methodology & Atlassian Stack (Jira, Confluence, Bamboo, Bitbucket) DevOps mindset and troubleshooting Integration with SharePoint and Azure Benefits2 days working from home per week