You will get REST API in ASP.NET Core with JWT authentication


Project details
Are you looking for a professional ASP.NET Core API developer to build a performance REST API?
I am a Senior .NET Developer with strong experience in building REST APIs using ASP.NET Core, C#, and Clean Architecture.
What I Can Build
✔ High-performance REST API using ASP.NET Core
✔ Secure JWT authentication & authorization
✔ Role-based access control (RBAC)
✔ Scalable backend architecture (Clean Architecture)
✔ CRUD APIs with proper structure
✔ Third-party API integration (Stripe, PayPal, etc.)
✔ API documentation using Swagger / OpenAPI
✔ Error handling, logging & performance optimization
✔ Database integration (SQL Server / PostgreSQL)
Why Choose Me
✔ Senior-level backend expertise
✔ Clean, maintainable & scalable code
✔ Secure API with best practices
✔ Fast delivery & communication
✔ Experience with real production systems
I am a Senior .NET Developer with strong experience in building REST APIs using ASP.NET Core, C#, and Clean Architecture.
What I Can Build
✔ High-performance REST API using ASP.NET Core
✔ Secure JWT authentication & authorization
✔ Role-based access control (RBAC)
✔ Scalable backend architecture (Clean Architecture)
✔ CRUD APIs with proper structure
✔ Third-party API integration (Stripe, PayPal, etc.)
✔ API documentation using Swagger / OpenAPI
✔ Error handling, logging & performance optimization
✔ Database integration (SQL Server / PostgreSQL)
Why Choose Me
✔ Senior-level backend expertise
✔ Clean, maintainable & scalable code
✔ Secure API with best practices
✔ Fast delivery & communication
✔ Experience with real production systems
Programming Languages
ASP.NET, TypeScript, C#Coding Expertise
Cross Browser & Device Compatibility, Security, DesignWhat's included
| Service Tiers |
Starter
$99
|
Standard
$250
|
Advanced
$499
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 7 days |
Number of Revisions | 2 | 3 | 5 |
Number of Pages | 3 | 5 | 7 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
Frequently asked questions
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SA
Syed Ali A.
Feb 17, 2025
AWS S3 & Docker Expert Needed to Troubleshoot and Fix Application Issues
He has extensive knowledge of Microsoft technologies, including ASP.NET , AWS, Docker and other tools. I would really like to work with him on future enhancement projects.
MS
Muhammad S.
Jan 23, 2025
NET Maui App to Authenticate with Google OAuth2
You have a unique talent for understanding and executing the project's vision. Your dedication and high-quality work are highly valued.
About Muhammad Usama
Senior Full-Stack .NET & Angular Developer | SaaS & Fintech
100%
Job Success
Lahore, Pakistan - 12:49 pm local time
I have 6+ years building production-grade web applications and SaaS platforms using .NET Core, Angular, and Azure. My work covers the full stack from database architecture and REST API design through to Angular frontends and Azure cloud deployment.
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𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 𝗜'𝘃𝗲 𝗕𝘂𝗶𝗹𝘁
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𝗦𝗮𝗮𝗦 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀
Multi-tenant architecture, subscription billing,
role-based permissions, admin dashboards
and scalable backend systems on Azure.
𝗙𝗶𝗻𝘁𝗲𝗰𝗵 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀
Payment gateway integration (Stripe, PayPal,
DocuSign), credit bureau APIs (Experian,
TransUnion, bank statement OCR, and fraud
detection systems.
𝗘𝗥𝗣 𝗮𝗻𝗱 𝗖𝗥𝗠 𝗦𝘆𝘀𝘁𝗲𝗺𝘀
Custom business management platforms with
complex workflow automation, reporting
dashboards and third-party integrations.
𝗚𝗜𝗦 𝗮𝗻𝗱 𝗠𝗮𝗽 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀
Location-based web applications with
interactive maps, spatial data processing
and real-time tracking features.
𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻
OpenAI and Claude API integration into
existing .NET applications for document
processing, smart search, and automation.
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𝗖𝗢𝗥𝗘 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞
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Backend:
.NET Core · C# · ASP.NET MVC · Web API
Microservices · Entity Framework · SignalR
Frontend:
Angular 17 · React · TypeScript · Blazor
.NET MAUI (mobile)
Database:
SQL Server · MySQL · MongoDB · Azure SQL
Redis · Firebase
Cloud and DevOps:
Microsoft Azure · AWS · Google Cloud
Docker · CI/CD · ELK Stack · RabbitMQ
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𝗪𝗛𝗔𝗧 𝗠𝗔𝗞𝗘𝗦 𝗠𝗘 𝗗𝗜𝗙𝗙𝗘𝗥𝗘𝗡𝗧
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→ I follow a structured delivery process:
requirements → design → build → test →
document → deploy → support
→ I write clean, documented code, your
in-house team can maintain after handover
→ I communicate clearly and proactively —
no surprises at the end of a milestone
→ I have delivered in fintech, healthcare,
logistics, real estate, e-commerce, and
legal tech — I understand business context
not just code
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RECENT WORK
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✔ Multi-tenant SaaS platform — .NET Core
Angular 17 — Azure — 50,000+ users
✔ Fintech lending platform — Experian and
TransUnion API integration — bank statement
OCR — PACER court data API
✔ GIS mapping application — real-time
location tracking — spatial data processing
✔ AI-powered document processing system —
OpenAI API — .NET Core backend — Angular
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I am available for long-term contracts and project-based engagements. I respond within a few minutes and can start within a day of contract signature.
Please send me a message me with your project details, and I will respond with a clear approach and timeline the same day.
Skills:
ASP.NET Core
C# Programming
Angular
.NET Framework
Microsoft Azure
REST API Development
SQL Server
Microservices
TypeScript
Entity Framework
React
Docker
Blazor
.NET MAUI
Software Architecture
AI Integrations
Automation
MCP Server
Steps for completing your project
After purchasing the project, send requirements so Muhammad Usama can start the project.
Delivery time starts when Muhammad Usama receives requirements from you.
Muhammad Usama works on your project following the steps below.
Revisions may occur after the delivery date.
Project Delivery Steps
Plan → Develop → Secure → Test → Deploy → Deliver