> Markdown version of [/jobs/ext/4650683-senior-net-developer-blazor-ui](https://www.wearedevelopers.com/jobs/ext/4650683-senior-net-developer-blazor-ui). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior .NET Developer - Blazor & UI - **Company:** Pauwels Consulting - **Location:** Brussel, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Adobe Analytics, ASP.NET, HTML, JavaScript (Programming Language), .NET Framework, Web Accessibility, Application Programming Interfaces (APIs), Agile Methodology, Applications Architecture, Unit Testing, Microsoft Azure, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Computing, Static Program Analysis, Continuous Integration, Data Integration, Distributed Systems, Entity Framework, Human-Computer Interaction, Microsoft UI Automation, OAuth, Openid Connect, JSON Web Token, Responsive Web Design, SQL Databases, TypeScript, Web Content Accessibility Guidelines, Web Applications, Azure Service Bus, GitHub Copilot, Blazor, Claude Code, Backend, Git, Servicebus, Integration Tests, Front End Software Development, Software Coding - **Published:** November 10, 2026 - **Apply:** https://europa.eu/eures/portal/jv-se/jv-details/MDAyNjE3YWMtZTk2OC00ODMwLThmYjctYTc0MjVjYjhlMGFmIDM?lang=en ## About the Role * You have 8+ years of backend development experience with C# and Agile methodologies. * You possess 6+ years of experience with Modern .NET and ASP.NET Core. * You bring 6+ years of experience in frontend development using HTML, CSS, and Responsive Design. * You're experienced with 6+ years of Testing and quality practices, including unit testing, integration testing, and UI automation. * You have 6+ years of experience managing delivery with Git, Azure DevOps, and CI/CD pipelines. * You possess 5+ years of experience implementing Security and identity protocols via OAuth 2.0, OpenID Connect, and JWT. * You bring 5+ years of experience in Data and integration with Entity Framework Core and SQL. * You've worked for 3+ years with Blazor and Razor components. * You have 3+ years of experience delivering solutions that meet Web accessibility and WCAG 2.1 AA standards. * You are fluent in English with mastery of either French or Dutch. Nice to Haves * 3+ years of experience with Cloud platforms specifically Microsoft Azure. * 2+ years of experience with Distributed systems and messaging via Azure Service Bus or NServiceBus. * 2+ years of experience with JavaScript or TypeScript and frontend interoperability. * 1+ years of experience using AI-assisted development tools such as GitHub Copilot or Claude Code. * Knowledge of .NET Framework maintenance and passive knowledge of Dutch or French. ## Description * Provide technical direction for frontend development and promote consistent application architecture and coding standards. * Develop features, reusable components, and technical improvements using modern .NET and Blazor. * Design scalable and maintainable user interface structures that align with accessibility and design system standards. * Collaborate with analysts, architects, and stakeholders to translate business requirements into robust technical solutions. * Integrate web applications with secure APIs and implement robust authentication flows. * Ensure high code quality through structured peer reviews, static analysis, and comprehensive testing strategies. * Support the continuous improvement of engineering practices and coach other developers to foster technical excellence.