You will get Fix your .NET API error or exception (fast turnaround)
Project details
You will get a fast, clean fix for a single .NET API error, exception, or failing endpoint. This project is designed for clients who need a reliable, senior-level engineer to diagnose and resolve a specific issue quickly without delays or back‑and‑forth.
I will reproduce the issue, identify the root cause, apply the fix, and verify that the endpoint behaves as expected. You will receive a clear explanation of what went wrong and what was changed, along with updated code.
This service is ideal for teams who need a quick, dependable solution to unblock development, restore functionality, or stabilise a production API. The work delivered is clean, maintainable, and aligned with modern .NET best practices.
I will reproduce the issue, identify the root cause, apply the fix, and verify that the endpoint behaves as expected. You will receive a clear explanation of what went wrong and what was changed, along with updated code.
This service is ideal for teams who need a quick, dependable solution to unblock development, restore functionality, or stabilise a production API. The work delivered is clean, maintainable, and aligned with modern .NET best practices.
Programming Languages
C#What's included
| Service Tiers |
Starter
$95
|
Standard
$150
|
Advanced
$250
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Revisions | 1 | 1 | 1 |
Number of Pages | 1 | 1 | 1 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
Frequently asked questions
About Robert
Senior C#/.NET Developer | API Bug Fixes | .NET 10 Upgrades | Azure
Sutton Coldfield, United Kingdom - 7:18 am local time
I help companies fix broken APIs, speed up slow backend services, and modernise legacy .NET systems. Most clients hire me when they need a fast, reliable fix — not a long onboarding process.
If your API is failing, your .NET service is slow, or your migration to .NET 6–10 is stuck, I can diagnose the issue quickly and deliver a clean, maintainable solution.
What I deliver
• Fix API errors, exceptions, and broken endpoints
• Diagnose and resolve performance bottlenecks
• Upgrade .NET Framework to .NET 6–10
• Build or fix Azure Functions, App Services, queues
• Create or repair API integrations
• Debug production issues and reliability problems
Why clients hire me
• Fast diagnosis (usually within 1–2 hours)
• Clear explanations and actionable fixes
• Clean, maintainable code
• No hand‑holding required
• Async‑friendly communication
Tech stack
C# / .NET 6–10, REST APIs, Azure Functions, App Services, SQL Server, EF Core, Clean Architecture, Microservices, CI/CD.
Steps for completing your project
After purchasing the project, send requirements so Robert can start the project.
Delivery time starts when Robert receives requirements from you.
Robert works on your project following the steps below.
Revisions may occur after the delivery date.
Review error details and reproduce the issue
I will analyse the error information, run the code, and confirm the exact failure.
Diagnose the root cause
I will identify the underlying problem in the API logic, configuration, or dependencies.