I will develop asp net core rest API, web API, jwt authentication


About this gig
Looking for a professional ASP.NET Core REST API developer?
I will build secure, scalable, and high-performance REST APIs using ASP.NET Core, C#, Entity Framework Core, and SQL Server. Whether you need a new Web API or improvements to an existing backend, I can help deliver clean and maintainable solutions.
Services I Offer
ASP.NET Core REST API Development
Web API with CRUD Operations
JWT Authentication & Authorization
Entity Framework Core Integration
SQL Server Database Design
Repository Pattern & Clean Architecture
API Bug Fixing and Performance Optimization
Third-Party API Integration
Swagger/OpenAPI Documentation
JSON Request & Response Handling
Why Choose Me?
- Clean and well-structured code
- Secure API development
- Responsive communication
- On-time delivery
- Industry-standard development practices
If you have custom requirements, feel free to contact me before placing an order. I will be happy to discuss your project and provide the best solution.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Ahsan Fayyaz
DotNet Developer
- FromPakistan
- Member sinceJul 2026
- Avg. response time1 hour
Languages
Urdu, English, French
My Portfolio
FAQ
Q: Which technologies do you use?
A: ASP.NET Core, C#, Entity Framework Core, SQL Server, JWT Authentication, Swagger, and RESTful API best practices.
Q: Can you fix an existing API?
A: Yes. I can debug, optimize, and extend existing ASP.NET Core Web APIs.
Q: Do you integrate third-party APIs?
A: Yes. I can integrate payment gateways, external REST APIs, and other services where appropriate.
Q: Will you provide source code?
A: Yes, the complete source code is included unless agreed otherwise.
