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Hire a .NET developer to build and modernise your business applications

.NET is Microsoft's platform for business software, and many companies run their core systems on it. Hire APPSOLN to build new .NET applications, add features to existing ones, or upgrade older .NET Framework systems to modern .NET on Azure or AWS.

What you get

  • Modern ASP.NET Core applications and APIs
  • Step-by-step upgrades from .NET Framework
  • Connections to web front ends, CRMs, and ERPs
  • Cloud hosting on Azure or AWS

Typical projects

  • New business applications and APIs in C#
  • Upgrading older .NET Framework apps
  • Moving .NET systems to Azure
  • Adding a React front end to a .NET back end

How it works

  1. Tell us what you needSend a short message or book a free call. Describe the project, the deadline, and any existing code or systems.
  2. Get a clear planWe reply with a proposed scope, approach, and timeline, or a smaller first step if that makes more sense.
  3. Work startsYou get regular updates and working results you can see, not just status reports.
  4. HandoverYou own the code and documentation, and we can stay on for ongoing support if you want.

Ways to work with us

A scoped project

A fixed piece of work with an agreed outcome, such as a new app, a feature, or a migration.

Ongoing monthly help

Regular development time for updates, fixes, and new features after launch.

A review or audit

A short, focused look at your existing code or setup, with clear recommendations.

Small business or large company, we size the work to what you need.

Common questions

Can you keep our old .NET system running while you upgrade it?

Yes. We upgrade in stages, so the system keeps working for your team throughout.

Related pages

This is part of our full-stack development service.

Ready to get started?

Tell us about your project in a few lines. We will reply with a clear next step.