Senior freelance C# developer Jimmy Welkenhuysen

Software craftsmanship to grow your product. Build robust .NET backends, APIs and cloud solutions — from your first commit to production scale.

  • C#
  • .NET
  • ASP.NET Core
  • Azure
  • SQL Server
  • Docker

Services

End-to-end software engineering focused on quality, maintainability, and delivery.

.NET & C# Development

Custom applications, microservices, and libraries built with modern C# and .NET best practices.

API & Backend Engineering

RESTful and event-driven APIs designed for performance, security, and long-term scalability.

Azure & Cloud

Cloud-native deployments on Azure with CI/CD pipelines, monitoring, and infrastructure as code.

Architecture & Consulting

Technical leadership, code reviews, and architecture decisions that align with your business goals.

Modernization & Migrations

Upgrade legacy systems to .NET 8+, refactor for testability, and reduce technical debt incrementally.

Quality & Testing

Automated testing strategies, CI integration, and quality gates that keep releases predictable.

About Jimmy

With years of experience as a senior software developer, I specialize in building enterprise-grade solutions in C# and the .NET ecosystem. I work closely with teams and stakeholders to translate complex requirements into clean, maintainable code.

Whether you need a hands-on developer for a critical project or strategic guidance on your architecture, Silvercore delivers pragmatic results — on time and built to last.

  • C#
  • .NET 8+
  • DDD
  • Entity Framework
  • Azure
  • SQL Server
  • REST APIs
  • Docker
  • Camunda
  • AI
10+ Years experience
C# Core specialization
BE Based in Belgium
Remote Available worldwide

Let's work together

Have a project in mind or need a senior C# developer on your team? Connect with me on LinkedIn — I'd love to hear about what you're building.

Connect on LinkedIn