You will get Fix or Enhance .NET API (Performance, Errors, Deployment)
Project details
I will help you fix, stabilize and improve your existing .NET API so it runs reliably in production. Whether you’re facing runtime errors, failing endpoints, authentication issues, deployment problems or slow performance, I can quickly diagnose and resolve the root cause.
With 15+ years of experience in .NET, C#, Azure, AWS and API development, I specialize in troubleshooting complex backend systems, improving performance and setting up clean logging and error handling. I can also assist with deployment to Azure, AWS or on-premise IIS and provide clear documentation for future maintenance.
You’ll get a clean, stable and optimized API that your frontend, mobile app, or third-party integrations can trust.
With 15+ years of experience in .NET, C#, Azure, AWS and API development, I specialize in troubleshooting complex backend systems, improving performance and setting up clean logging and error handling. I can also assist with deployment to Azure, AWS or on-premise IIS and provide clear documentation for future maintenance.
You’ll get a clean, stable and optimized API that your frontend, mobile app, or third-party integrations can trust.
Programming Languages
JavaScript, ASP.NET, C#Coding Expertise
Performance Optimization, Security, DesignWhat's included
| Service Tiers |
Starter
$40
|
Standard
$100
|
Advanced
$250
|
|---|---|---|---|
| Delivery Time | 1 day | 3 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | 3 | 10 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$20 - $45
Additional Revision
+$20
Additional Page
(+ 1 Day)
+$25
Full Documentation Pack
(+ 1 Day)
+$35
Cloud Deployment
(+ 1 Day)
+$100Frequently asked questions
About Yogendra
Senior .NET & Cloud API Developer | WhatsApp API | Azure & AWS |
Pune, India - 11:14 pm local time
Businesses hire me when they need secure, scalable, high-performance APIs—or when something is broken and must be fixed fast.
My expertise includes .NET Core, C#, REST APIs, SQL, NoSQL, Azure, AWS, and WhatsApp Cloud API. From building new systems to troubleshooting legacy applications, I deliver clean, reliable, and production-ready solutions.
What I Can Do for You
✔ Custom API Development (.NET | C# | SQL | NoSQL)
✔ New REST API development
✔ Business logic implementation
✔ Token-based authentication (OAuth2 / JWT)
✔ Clean, maintainable, scalable architecture
✔ Fix or Enhance Existing .NET APIs
✔ API errors & exceptions
✔ Slow API performance
✔ Deployment or CI/CD issues
✔ Database query optimization
✔ Code cleanup & refactoring
✔ Cloud Deployments & DevOps
Azure App Service / Functions
AWS ECS / Lambda / API Gateway
CI/CD via GitHub Actions, GitLab, Jenkins
Secure environment setup & monitoring
✔ WhatsApp Business Cloud API (Meta)
Send/receive messages
Templates, media, interactive messages
Webhooks
Full integration with existing systems
💼 Why Clients Choose Me
✔ 17+ years of real-world enterprise experience
✔ Architect-level solution design
✔ Fast delivery and clear communication
✔ Production-grade code with best practices
I treat your project like my own, Let’s Build Something Great
Whether you need:
A new API, To fix an existing one, or To integrate WhatsApp messaging, …I’m here to help with a professional, reliable, and long-term approach.
Send me a message to discuss your requirements - I respond quickly.
Steps for completing your project
After purchasing the project, send requirements so Yogendra can start the project.
Delivery time starts when Yogendra receives requirements from you.
Yogendra works on your project following the steps below.
Revisions may occur after the delivery date.
Issue Review & Access Setup
review your issue description, logs, screenshots and set up access to your code repository or environment.
Analysis & Plan
I reproduce the issue locally or in a test environment, analyze the root cause and share a short action plan with you.