.NET Developer

Job description

Prosource is currently looking for a skilled .NET Developer to support our client within a key modernization initiative, as part of a strategic application transformation program.

As a .NET Developer, you’ll play a vital role in the migration of a legacy .NET Framework 4 application to a modern .NET 8 architecture. This project is central to the client’s goal of aligning technology with future business needs.

Your core responsibility will be to bring deep technical expertise and ensure smooth, high-quality migration while adhering to established development standards. Here's what your impact will look like:

• Contribute directly to the migration from .NET Framework 4 to .NET 8, working on complex application logic and architecture redesign.

• Ensure code quality through adherence to coding standards and best practices defined by the client.

• Collaborate with cross-functional teams including architecture, QA, and operations to drive successful delivery.

• Identify and solve technical challenges related to the modernization of both front-end and back-end components.

• Work with technologies such as WPF and Blazor to create efficient, modern user interfaces.

• Participate in the evolution of a microservices-based ecosystem using tools like RabbitMQ and MongoDB.

• Proactively engage in discussions around performance, scalability, and security.

• Take ownership of assigned components and contribute to continuous improvement of the codebase

Criteria

• You have strong hands-on experience with .NET 8 / C# and WPF (WPF is a must-have).

• You’re experienced with SQL Server, MongoDB, and RabbitMQ.

• You’re comfortable in microservices-based environments.

• Blazor experience is a strong plus.

• You communicate clearly, work independently, and take accountability for your deliverables.

• You’re able to align with development processes already in place and contribute to best practices.

Offer

What’s in it for you?

• Start Date: ASAP

• Contract Type: Freelance or Consultancy

• Location: Hybrid / Belgium

• A high-impact technical project at the heart of a digital transformation initiative.

• Opportunity to work with modern technologies and contribute to a full-stack migration journey.

• A collaborative and professional environment that values quality and ownership.