I will fix asp dot net core c sharp API and backend bugs

Is your ASP.NET Core or C# application experiencing errors, API failures, unexpected behavior or backend issues?

I can help diagnose and fix your .NET application professionally.

I am a Senior Software Developer with 10 years of software development experience, including around 8 years working with C# and ASP.NET.

I can help with:

ASP.NET / ASP.NET Core bugs

C# errors and exceptions

REST API issues

HTTP 400 / 401 / 403 / 404 / 500 errors

Authentication and authorization issues

Entity Framework problems

SQL Server and database integration issues

API integration problems

Application logic errors

Performance-related issues

IIS and deployment issues

Existing application maintenance

What you will get:

Root-cause investigation

Clean and maintainable fix

Testing after the fix

Clear explanation of the solution

Professional communication

I work with existing .NET applications and can troubleshoot both individual issues and more complex backend problems.

Please contact me before ordering if your issue is complex. I will review your requirements and recommend the appropriate package.