I will fix asp dotnet core bugs errors and exceptions in your csharp web application

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Shahadat Hossan
fix asp dotnet core bugs errors and exceptions in your csharp web application
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fix asp dotnet core bugs errors and exceptions in your csharp web application
Full Screen
fix asp dotnet core bugs errors and exceptions in your csharp web applicationfix asp dotnet core bugs errors and exceptions in your csharp web application

About this gig

Is your ASP.NET Core application throwing exceptions, returning wrong API responses, 

or behaving unexpectedly? I can help you fix it fast and cleanly.


I'm a .NET backend developer with professional experience building and maintaining 

real-world C# web applications including REST API development, Stripe payment 

integration, Entity Framework Core, and repository pattern architecture.


WHAT I CAN FIX OR BUILD FOR YOU

Runtime exceptions & unhandled errors (NullReferenceException, 500 errors, etc.)

ASP.NET Core Web API bugs wrong responses, broken endpoints, CORS issues

Entity Framework Core issues query errors, migration failures, relationship bugs

Authentication & Authorization bugs (JWT, Identity, role-based access)

Repository pattern & service layer refactoring

Payment integration bugs (Stripe, card management, webhook issues)

Performance issues slow queries, N+1 problems, response time optimization

Code review & clean architecture improvements


TECH STACK I WORK WITH

- ASP.NET Core 6 / 7 / 8 / 9

- C# · Entity Framework Core · LINQ

- SQL Server · REST APIs

- Stripe API · JWT Authentication

- Repository Pattern · Clean Architecture


Please Message me before placing order!

  • Programming language

    • ASP.NET

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Databases
    • Source control

  • Frontend framework

    • Angular
    • Bootstrap
    • Tailwind CSS

  • Backend framework

    • Other

Get to know Shahadat Hossan

Shahadat Hossan

Professional CSharp DOTNET Software Engineer

5.0(62)
  • FromBangladesh
  • Member sinceJul 2019
  • Last delivery4 years

  • Languages

    Bengali, English, Hindi
Hi, I am Shahadat! I am a professional Software Engineer with 2 years of hands-on experience in ASP.NET and Angular, including a full year working inside a fast-paced software development company. I specialize in building enterprise-level web applications using the latest .NET backend architectures, clean RESTful APIs and Angular frontends. I focus on writing clean, maintainable, and secure corporate-grade code. While I started on Fiverr years ago doing digital design, my full-time career and passion are now entirely focused on software engineering. Let's build something great together!

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