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I will fix your asp net core, c sharp, or API bug fast
Kartik A
About this gig
Are you stuck with an error or bug in your ASP.NET Core or C# project?
Don't worry I am here to fix it quickly and professionally.
I specialize in finding and fixing issues in:
ASP.NET Core
- Controller errors
- Routing issues
- Dependency Injection (DI) errors
- Middleware problems
- Program.cs / Startup.cs issues
- API failures (404, 500, null responses)
C# Bug Fixing
- Null Reference Exceptions
- Compile-time errors
- Logical mistakes
- Crash / freeze issues
- Performance fixes
REST API
- API endpoints not working
- Wrong responses
- Model binding issues
- Authentication / Authorization errors
- Swagger problems
Database (EF Core + SQL)
- Migration errors
- DbContext issues
- Query problems
- Connection string issues
What you will get
- Complete bug investigation
- Clean and working final solution
- Code improvement suggestions
- Testing after the fix
- Fast and friendly communication
- 100% satisfaction guaranteed
Why choose me?
- 5+ years of ASP.NET Core & API experience
- Clean, readable, maintainable code
- Fast delivery & professional work
- Trustworthy and responsive developer
Note:
Large projects or complex systems may require a custom offer depending on the issue.
Get to know Kartik A
Kartik A
Building secure and scalable ASP NET Core web apps and APIs
- FromIndia
- Member sinceAug 2025
- Avg. response time1 hour
Languages
English, Hindi
I’m an ASP.NET / ASP.NET Core developer with 5+ years of experience in web application and API development.
I build secure, scalable, and high-performance solutions using C#, Entity Framework, SQL Server, and Stored Procedures.
Focused on clean architecture, code quality, and performance optimization to deliver reliable and efficient results.
Other Software Development Services I Offer
FAQ
What do you need to start?
I need your project files, GitHub/Bitbucket link, and a short explanation of the bug or error you are facing.
What if the bug is bigger than expected?
No problem — I will check the issue first. If it requires more time, I will guide you and send a custom offer.
Do you fix complete ASP.NET Core projects?
Yes, I can debug full ASP.NET Core, REST API, and C# applications. For large projects, a custom offer may be required.
Will you explain the bug after fixing it?
Yes. I will explain the root cause and also suggest how to avoid it in the future.
Do you provide clean and commented code?
Yes. I provide clean, readable, and maintainable code with optional comments when needed.
