Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix asp net core web API bugs, authentication and 500 errors
Vishnu Pandit
About this gig
Are you facing errors in your ASP.NET Core or Web API backend application?
I can help you quickly diagnose and fix backend issues in ASP.NET Core, Web API, or MVC applications.
With strong experience in troubleshooting backend systems, I can resolve common production errors and application failures efficiently.
I can help fix issues such as:
ASP.NET Core errors and exceptions
Web API not working or returning incorrect responses
500 Internal Server Error
MVC routing issues
Entity Framework / EF Core errors
Authentication and JWT issues
Database query problems
Backend performance issues
What you will get:
Fast bug investigation and diagnosis
Clean and reliable bug fixes
Clear explanation of the issue
Well-commented code where needed
If you are experiencing a backend error in your ASP.NET application, feel free to contact me before placing an order.
Get to know Vishnu Pandit
Vishnu Pandit
Senior Dot Net Developer and PDF to Word Excel Conversion Specialist
- FromIndia
- Member sinceJul 2015
- Avg. response time1 hour
Languages
Gujarati, Hindi, English
Hi, I'm Vishnu.
I have 15+ years of experience working with .NET technologies and backend systems.
My expertise includes:
• C#.NET / ASP.NET / ASP.NET Core / ASP.NET MVC / ASP.NET Web API development
• Web API debugging and bug fixing
• SQL Server database troubleshooting
• Oracle PL/SQL development
• Crystal Reports
I also provide accurate document conversion services:
• PDF to Word
• PDF to Excel
• Scanned document typing
• Document formatting and layout correction
I focus on reliable solutions, clear communication, and high-quality delivery.
My Portfolio
Other Software Development Services I Offer
FAQ
What information do you need to start fixing the bug?
Please provide the error message, relevant code files, steps to reproduce the issue, and your expected behavior. Logs, screenshots, or API responses will also help diagnose the ASP.NET Core or Web API issue faster.
Do you work only on ASP NET Core projects?
Yes. This gig focuses on ASP.NET Core backend troubleshooting including Web API, MVC, authentication, Entity Framework, database issues, and configuration related errors.
Can you fix 500 Internal Server Error?
Yes. I can diagnose the root cause of 500 Internal Server Errors in ASP.NET Core or Web API applications including configuration issues, database errors, or backend logic problems.
Do you fix database or Entity Framework issues?
Yes. I can troubleshoot Entity Framework or EF Core issues such as query errors, migrations, database connection problems, and performance related database issues.
