You will get your ASP.NET Core, C#, or .NET application bugs fixed professionally
Project details
Having issues with your ASP.NET Core project?
I can quickly identify and fix bugs, errors, performance issues, API failures, authentication problems, and database issues.
I can fix
✔ Build Errors
✔ API Errors
✔ Authentication Issues
✔ Entity Framework Problems
✔ SQL Server Errors
✔ Performance Issues
✔ Dependency Injection
✔ Deployment Problems
✔ Azure Issues
✔ Code Refactoring
Fast delivery with clean solutions.
I can quickly identify and fix bugs, errors, performance issues, API failures, authentication problems, and database issues.
I can fix
✔ Build Errors
✔ API Errors
✔ Authentication Issues
✔ Entity Framework Problems
✔ SQL Server Errors
✔ Performance Issues
✔ Dependency Injection
✔ Deployment Problems
✔ Azure Issues
✔ Code Refactoring
Fast delivery with clean solutions.
Programming Languages
C#, Python, JavaScriptOperating System
WindowsDesktop App Expertise
Development, Software Debugging, Performance Optimization, Security, Application Review & OptimizationWhat's included
| Service Tiers |
Starter
$20
|
Standard
$45
|
Advanced
$120
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 7 days |
Number of Revisions | 1 | 2 | 4 |
Bug Investigation | - | - | |
Source Code | |||
Database Integration | - | - | - |
Detailed Code Comments | - | ||
Fix Documentation | - | - |
Optional add-ons
You can add these on the next page.
Detailed Code Comments
(+ 2 Days)
+$50
6 reviews
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AT
Amtul Quddus T.
Jan 5, 2026
Full Stack ASP.NET Core Developer Needed for Web API and bug fixing
Fantastic experience working with Arif. He has deep knowledge of ASP.NET Core and quickly resolved complex issues in my API that were holding up the project. If you need a reliable developer who goes the extra mile, Arif is your guy
SR
Syed Husnain R.
Dec 27, 2025
Expert Needed for YOLO Object Detection & Room Image Asset Analysis
Arif has done great job and provide the exceptional results. He completed the task in time. Great communication and skills.
PS
Pambos S.
Feb 13, 2025
Create a list of suppliers
Although it was a very small job, Arif got it right, made the right questions upfront and delivered exactly what we needed ontime.
JL
James L.
Feb 7, 2025
Creative Instagram Reel Creator Needed
HJ
Hiroe J.
Dec 6, 2024
Research Study - Call for software project ideas
About Arif Aqeel
ASP.NET Core & Angular Developer | C# | Web API | SQL Server | Azure
100%
Job Success
Burewala, Pakistan - 10:16 am local time
Whether you need a brand-new backend, API development, bug fixing, database optimization, or cloud deployment, I can help you build a clean, maintainable solution that is ready for production.
🥇 1+ Year of Professional .NET Development Experience
🥇 Specialized in ASP.NET Core Backend Development
🥇 Clean Architecture • REST APIs • SQL Server • Azure
Hi, I'm Arif Aqeel Ahmad.
I specialize in developing robust backend systems using Microsoft's modern development stack. My goal is to build APIs and backend services that are fast, secure, scalable, and easy to maintain.
I write clean, reusable code following industry best practices and modern software architecture principles.
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✦ SERVICES
━━━━━━━━━━━━━━━━━━━━━━
✅ ASP.NET Core Web API Development
✅ RESTful API Development
✅ Minimal API Development
✅ ASP.NET Core MVC Applications
✅ Backend System Development
✅ Authentication & Authorization (JWT)
✅ Entity Framework Core
✅ SQL Server Database Design
✅ Database Optimization
✅ API Integration
✅ Third-Party API Integration
✅ Microsoft Azure Deployment
✅ Azure App Service
✅ Azure Functions
✅ Azure Storage
✅ Bug Fixing
✅ Performance Optimization
✅ Existing Project Maintenance
━━━━━━━━━━━━━━━━━━━━━━
✦ TECHNOLOGIES
━━━━━━━━━━━━━━━━━━━━━━
✔ C#
✔ .NET
✔ ASP.NET Core
✔ ASP.NET Core MVC
✔ ASP.NET Core Web API
✔ Minimal API
✔ Entity Framework Core
✔ LINQ
✔ SQL Server
✔ REST API
✔ JSON
✔ Swagger / OpenAPI
✔ JWT Authentication
✔ Dependency Injection
✔ Repository Pattern
✔ Clean Architecture
✔ MVC Pattern
✔ Azure App Service
✔ Azure Functions
✔ Azure Storage
✔ Git
✔ GitHub
✔ Visual Studio
✔Angular
✔Asp.Net MVC
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✦ DEVELOPMENT PROCESS
━━━━━━━━━━━━━━━━━━━━━━
1️⃣ Understand Business Requirements
2️⃣ Design Clean Architecture
3️⃣ Develop Secure Backend APIs
4️⃣ Database Design & Optimization
5️⃣ Testing & Bug Fixing
6️⃣ Deployment & Long-Term Support
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✦ WHY CLIENTS WORK WITH ME
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✔ Clean, Maintainable Code
✔ Secure API Development
✔ Fast Communication
✔ On-Time Delivery
✔ Scalable Backend Architecture
✔ Production-Ready Solutions
✔ Strong Problem-Solving Skills
✔ Long-Term Project Support
I believe great backend development is more than just writing code. It is about building reliable systems that scale with your business and are easy for future developers to maintain.
Whether you're building a SaaS product, business application, startup MVP, admin panel, or enterprise solution, I can help turn your ideas into reliable software.
📩 Let's discuss your project and build a backend that is secure, scalable, and ready for growth.
Keywords
#asp.net core#asp.net core developer #csharp#dotnet#.net#backend developer#web api #rest api#restful api#minimal api#asp.net mvc#mvc#entity framework core#ef core#sql server#azure#azure app service #azure functions#azure storage#jwt authentication #swagger#openapi#clean architecture#repository pattern#dependency injection#linq#api integration#database design#backend api#microservices #software developer
Steps for completing your project
After purchasing the project, send requirements so Arif Aqeel can start the project.
Delivery time starts when Arif Aqeel receives requirements from you.
Arif Aqeel works on your project following the steps below.
Revisions may occur after the delivery date.
Review the issue
I'll analyze the bug, review the provided code, and understand the root cause of the problem.
Debug and identify the cause
I'll inspect the application, reproduce the issue if needed, and identify the exact source of the error.