You will get your ASP.NET Core backend or API bugs fixed fast (C# + EF Core)


Project details
I will diagnose and fix bugs or errors in your ASP.NET Core backend or API quickly and professionally. Whether you’re dealing with EF Core issues, incorrect API responses, HTTP 500 errors, SQL timeouts, authentication problems, or CORS failures, I provide fast and accurate solutions.
With extensive experience supporting enterprise and cloud-based applications, I specialize in identifying root causes, stabilizing APIs, improving performance, and ensuring your application runs reliably. Every fix includes clean, validated code and optional recommendations to prevent the issue from happening again.
You will receive clear communication, fast turnaround, and high-quality backend engineering focused on restoring stability and functionality to your application.
With extensive experience supporting enterprise and cloud-based applications, I specialize in identifying root causes, stabilizing APIs, improving performance, and ensuring your application runs reliably. Every fix includes clean, validated code and optional recommendations to prevent the issue from happening again.
You will receive clear communication, fast turnaround, and high-quality backend engineering focused on restoring stability and functionality to your application.
Programming Languages
JavaScript, ASP.NET, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$75
|
Standard
$150
|
Advanced
$300
|
|---|---|---|---|
| Delivery Time | 1 day | 2 days | 3 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | 1 | 1 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$25
Additional Page
(+ 1 Day)
+$50Frequently asked questions
About Oluwole
Senior Backend & SQL Server Developer | C#, .NET, T-SQL, Azure
Chesapeake, United States - 1:11 am local time
Do you need a seasoned engineer who can modernize your legacy .NET systems, build secure and scalable Azure cloud solutions, or accelerate your API and microservices development?
⭐ Client Outcomes I’ve Delivered
🚀 Improved API performance by 48%
⚡ Reduced deployment cycles from 3 weeks → 2 days
🔄 Migrated legacy .NET apps to Azure PaaS with zero downtime
🛠️ Implemented CI/CD pipelines reducing release risk by 40%
📦 Modernized .NET monoliths into containerized microservices
🏛️ Delivered scalable REST APIs for enterprise & government clients
🧠 Core Expertise
I bring 10+ years building enterprise and government cloud platforms with deep experience in:
C# 13, ASP.NET Core 9, EF Core, LINQ, T-SQL
Azure PaaS (App Service, Functions, SQL, Storage, Service Bus)
Microservices, Distributed Systems, API Architecture
Azure DevOps & GitHub Actions CI/CD
Identity & Security (Azure AD B2C, OAuth2/OpenID, Zero Trust)
Cloud migration, modernization & performance engineering
🏆 What I’ve Helped Clients Achieve
Migrated monolithic .NET apps into microservices + containers → 60% faster release cycles
Built HIPAA-aligned, FedRAMP-ready systems using Azure security best practices
Automated deployments end-to-end with GitHub Actions/Azure DevOps → hours instead of weeks
🤝 How I Work
Clear weekly updates
Predictable delivery timelines
Clean, maintainable code
Solutions designed to last
📩 If you're looking to modernize, secure, or scale your .NET/Azure platform — let’s talk.
I'm available to start immediately and can take on both short-term and long-term engagements.
Steps for completing your project
After purchasing the project, send requirements so Oluwole can start the project.
Delivery time starts when Oluwole receives requirements from you.
Oluwole works on your project following the steps below.
Revisions may occur after the delivery date.
Review Bug Details
I review your description of the issue, error messages, logs, screenshots, and steps to reproduce.
Diagnose the Root Cause
I reproduce the issue locally, debug the code, analyze logs, and identify the exact cause of the bug.




