You will get fast and secure REST APIs that will help your integrations run smoothly
Project details
I specialize in building reliable and scalable REST APIs using ASP.NET Core and SQL Server.
Whether you need a new backend for a web or mobile application, a secure authentication system, or integration with third-party services, I can design and develop clean, well-structured APIs that are easy to maintain and scale.
What sets my work apart:
• Clean architecture and well-organized code
• Secure API development with proper authentication
• Efficient database design and optimized SQL queries
• Thorough testing using Postman and Swagger
• Clear API documentation for easy integration
I focus on delivering production-ready backend systems that are fast, secure, and easy for your frontend or mobile app to connect with.
Whether you need a new backend for a web or mobile application, a secure authentication system, or integration with third-party services, I can design and develop clean, well-structured APIs that are easy to maintain and scale.
What sets my work apart:
• Clean architecture and well-organized code
• Secure API development with proper authentication
• Efficient database design and optimized SQL queries
• Thorough testing using Postman and Swagger
• Clear API documentation for easy integration
I focus on delivering production-ready backend systems that are fast, secure, and easy for your frontend or mobile app to connect with.
Programming Languages
JavaScript, ASP.NET, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$30
|
Standard
$100
|
Advanced
$300
|
|---|---|---|---|
| Delivery Time | 2 days | 5 days | 10 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | ||
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$20 - $100
Additional Revision
+$10Frequently asked questions
About Osama
ASP.NET Core API development
Karachi, Pakistan - 1:45 pm local time
✔ REST API development
✔ Fixing slow SQL queries and stored procedures
✔ Third-party API integrations
✔ Debugging production issues
Recently worked on:
• HRMS integrations
• Payroll data processing
• Backend systems handling thousands of records
If your backend is slow, broken, or needs new APIs — I can help.
Steps for completing your project
After purchasing the project, send requirements so Osama can start the project.
Delivery time starts when Osama receives requirements from you.
Osama works on your project following the steps below.
Revisions may occur after the delivery date.
Review Requirements & Scope
I review your API requirements, clarify endpoints, request/response formats, database details, and authentication needs to ensure full alignment before starting development.
Design API Structure
I create the API architecture, database schema, and define endpoints. This step ensures a clean, maintainable, and scalable backend design.