Senior .NET Blazor UI Lead - Cloud & AI Focus

Titans Consulting; Brussel Hoofdstad; On-site; EUR 85,000 - 110,000; Full time

Job summary

NIHDI is seeking a Senior .NET Developer with a Blazor UI focus to design and deliver modern, secure and accessible business applications from the Blazor interface to the .NET services behind it. You will lead UI architecture, guide colleagues, and contribute to technical decisions within a 250-person ICT department.

The role covers hands-on development, API integration, authentication, security, testing and DevOps, with cloud-native Azure and shared design systems as a foundation.

Qualifications

• Senior level with hands-on experience in Blazor UI and .NET backend.
• Strong skills in C#, ASP.NET Core and REST API integration.
• Proven ability to design accessible, secure and scalable user interfaces.
• Experience with Azure cloud, DevOps pipelines and CI/CD practices.

Responsibilities

• Lead UI architecture for Blazor-based applications and reusable components.
• Implement secure authentication (OAuth 2.0 / OpenID Connect) and authorization.
• Develop end-to-end features from UI to .NET services and APIs.
• Collaborate with analysts, UX, security, and Platform Engineering teams.
• Coach peers, conduct code reviews and promote engineering best practices.
• Ensure testability with unit, component and UI automation tests.

Skills

C# and .NET

Blazor

UI development

ASP.NET Core

Azure

REST APIs

Security

Accessibility

DevOps / CI/CD

Testing (unit, UI)

Tools

MudBlazor

Azure DevOps

Git

Job description

NIHDI is seeking a Senior .NET Developer with a Blazor UI focus to design and deliver modern, secure and accessible business applications from the Blazor interface to the .NET services behind it. You will lead UI architecture, guide colleagues, and contribute to technical decisions within a 250-person ICT department.

The role covers hands-on development, API integration, authentication, security, testing and DevOps, with cloud-native Azure and shared design systems as a foundation.