You will get Diagnose your slow .NET API endpoint (clear fix plan)
Project details
You will get a clear, actionable diagnosis of why your .NET API endpoint is slow, along with a fix plan or full resolution depending on the tier you choose. This service is designed for teams who need fast, reliable insight into performance issues without guesswork.
I will reproduce the slowdown, profile the endpoint, identify the root cause, and provide a clear explanation of what’s happening and why. For higher tiers, I will apply the fix and verify the performance improvement.
This service is ideal for production APIs, bottlenecked endpoints, or systems that need to improve response times. The work delivered is clean, maintainable, and aligned with modern .NET performance best practices.
I will reproduce the slowdown, profile the endpoint, identify the root cause, and provide a clear explanation of what’s happening and why. For higher tiers, I will apply the fix and verify the performance improvement.
This service is ideal for production APIs, bottlenecked endpoints, or systems that need to improve response times. The work delivered is clean, maintainable, and aligned with modern .NET performance best practices.
Programming Languages
C#What's included
| Service Tiers |
Starter
$75
|
Standard
$150
|
Advanced
$300
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Revisions | 1 | 1 | 2 |
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 - 3:57 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.
Reproduce and measure the slowdown
I will run the endpoint and confirm the performance issue.
Profile and diagnose the root cause
I will analyse code, dependencies, and bottlenecks.