Senior .NET Developer

We are currently looking for a .NET Developer (Level 4) to join an agile, multicultural team for projects within the European institutional environment. The ideal candidate will bring strong technical skills, proven experience in complex application development, and the ability to integrate into international development teams.

• Develop, maintain, and enhance web applications within an agile environment


• Participate in code reviews and enforce code quality standards


• Collaborate closely with business analysts, software architects, and other development team members


• Draft technical documentation and user manuals when required


• Ensure compliance with security, performance, and accessibility guidelines defined by the organization


• Manage CI/CD pipelines within a Microsoft Azure Cloud infrastructure


• Propose and implement technical improvements and new solutions


• Contribute to the migration of legacy ASP.NET MVC applications

• ASP.NET Core, EF Core, .NET Aspire


• Microservices architecture, CQRS pattern, OData, AutoMapper


• Angular 18+, TypeScript, RxJS, Angular Material


• State management with NgRx, authentication with JWT / OAuth / SSO


• Unit testing with Jasmine and Karma


• Cosmos DB, Docker, Azure Kubernetes Service (AKS)


• Solid understanding of Clean Code principles, development best practices, and Domain-Driven Design (DDD)


• Experience migrating from legacy ASP.NET MVC applications

Certifications & Valued Experience

• Microsoft Azure and/or .NET certifications


• Prior experience in EU institutions or international projects (highly valued)

Additional Requirements

• Excellent communication skills in English (both spoken and written)


• Ability to quickly integrate into multicultural and international teams


• Willingness to work 3 days on-site in Brussels and 2 days remotely

Only candidates with EU nationality

Freelance profiles accepted

• Competitive daily rate with possibility of extension


• Flexible working hours within the hybrid model


• Exposure to cutting-edge technologies and challenging projects


• Opportunity to work in a dynamic, multicultural European environment


• Professional development support and access to training resources


• Collaborative and supportive team culture

If you meet the requirements and want to be part of an innovative project in an international environment, we look forward to hearing from you!