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I will fix bugs and errors in your csharp asp net core application
Wilson Urbano
About this gig
Are you dealing with bugs or errors in your C# or ASP.NET Core application?
I will investigate and fix bugs in your .NET application, identify the source of the problem, and provide a clean and focused solution.
I can help with:
C# and ASP.NET Core bugs
REST API and Web API issues
Entity Framework Core problems
PostgreSQL and database errors
LINQ queries
CRUD operations
JWT authentication and authorization
Validation and business logic
JSON and API integration
Async/await issues
Unit testing with xUnit and Moq
My process:
- Investigate the issue and identify its cause.
- Implement a focused fix.
- Test the solution.
- Explain the changes when included in your package.
Please contact me before ordering and provide the error message, relevant code, and steps to reproduce the problem. This allows me to confirm the issue is within the scope of the service.
I do not request passwords, API keys, private tokens, or other sensitive credentials.
Get to know Wilson Urbano
Wilson Urbano
C Sharp Backend Developer
- FromColombia
- Member sinceApr 2026
Languages
Spanish
Hi! I am a Junior C#/.NET Developer focused on backend development.
I build REST APIs and backend applications using C#, .NET, ASP.NET Core, Entity Framework Core, SQL and SQLite. I have experience with CRUD operations, data validation, Swagger/OpenAPI, Git and GitHub.
I enjoy solving programming problems and building clean, maintainable applications following good development practices.
I am available for .NET projects, REST APIs, CRUD systems, database integration and bug fixing.
My Portfolio
Other Software Development Services I Offer
FAQ
Can you fix ASPNET Core Web API bugs?
Yes. I can troubleshoot and fix common ASPNET Core Web API issues, including controllers, endpoints, validation, authentication, and database access.
Can you work with Entity Framework Core and PostgreSQL?
Yes. I can help with Entity Framework Core queries, relationships, migrations, database operations, and PostgreSQL integration.
Can you fix JWT authentication issues?
Yes. I can investigate common JWT authentication and authorization problems in ASPNET Core applications.
What do you need from me to fix the bug?
Please provide a description of the problem, the error message if available, relevant code, and steps to reproduce the issue. Please do not send passwords, API keys, or private tokens.
Can you fix any CSharp or NET project?
I can work with many CSharp and NET projects, but the scope depends on the specific issue. Please contact me before ordering so I can review the problem and confirm that I can help.
