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$
USD
I will develop asp net core web apis and backend services
Bhupendra Singh
About this gig
Need a reliable ASP.NET Core Web API or backend developer?
Im a senior .NET developer with 14+ years of experience building web applications, REST APIs, enterprise systems, e-commerce platforms, and third-party integrations.
I can help you with:
ASP.NET Core Web API development
C# backend development
REST API development and integration
SQL Server and Entity Framework Core
CRUD APIs and database integration
JWT authentication and authorization
API debugging and performance optimization
Third-party API integrations
Clean and maintainable backend code
Swagger / OpenAPI documentation
What you will receive:
Clean and structured C# code
Proper API response handling and validation
Swagger documentation where applicable
Database integration when included in your package
Testing and basic debugging support
Source code delivered through Fiverr
Please contact me before ordering if your project is complex or requires multiple APIs, integrations, authentication, deployment, or an existing codebase review. Ill help you choose the right package or create a custom offer.
I focus on practical, reliable solutions that are easy to maintain and extend.
Get to know Bhupendra Singh
Bhupendra Singh
ASP NET Core and NET Backend Developer
- FromIndia
- Member sinceJun 2016
- Avg. response time1 hour
- Last delivery8 years
Languages
Hindi, English
I am a senior .NET developer with 14+ years of experience building web applications, REST APIs, enterprise systems, and e-commerce platforms. I specialize in C#, ASP.NET Core, Web API, SQL Server, Azure, React, and system integrations. I focus on clean, reliable, and scalable solutions.
My Portfolio
Other Software Development Services I Offer
FAQ
Can you work with an existing ASP.NET Core project?
Yes. I can work with an existing ASP.NET Core project to add features, develop APIs, fix bugs, integrate databases or third-party services, and improve existing backend code.
Can you develop a REST API from scratch?
Yes. I can work with an existing ASP.NET Core project to add features, develop APIs, fix bugs, integrate databases or third-party services, and improve existing backend code.
Can you integrate a third-party API?
Yes. I can integrate REST APIs and third-party services such as payment, shipping, authentication, business, and other external APIs. Please contact me first if the integration is complex.
Do you provide database integration?
Yes. SQL Server and Entity Framework Core integration can be included depending on the package you purchase. Please check the package details or contact me if you need a custom database structure.
Can you fix bugs in my ASP.NET Core API?
Yes. I can investigate and fix ASP.NET Core, C#, Web API, SQL Server and backend-related issues. For larger or unclear issues, please contact me before ordering so I can understand the problem.
Can you add JWT authentication?
Yes. JWT authentication and authorization can be included in the Standard or Premium package, or added through a custom offer depending on the project requirements.
What do you need from me to start?
Please provide your project requirements, existing source code if applicable, API documentation or specifications, database details if required, and any relevant credentials or test access needed for the work.
Can you deploy the API to Azure?
Yes. Azure deployment assistance can be provided as an additional service. Please contact me before ordering so I can understand your Azure environment and deployment requirements.
Can you build a large or complex backend system?
Yes. I have experience with enterprise applications, e-commerce platforms, APIs, integrations and scalable backend systems. For larger projects, please contact me first so I can review the requirements and provide a custom offer.
Will you provide the source code?
Yes. The completed source code for the work included in your package will be delivered through Fiverr.
