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You will get Critical errors and performance bugs fixed in your .NET application

Waqar H.Status: Offline
Waqar H. Waqar H.
5.0
Preview imagePreview image

Let a pro handle the details

Buy Web Programming Bug Fixes services from Waqar, priced and ready to go.
Waqar H.Status: Offline
Waqar H. Waqar H.
5.0
Preview imagePreview image

Let a pro handle the details

Buy Web Programming Bug Fixes services from Waqar, priced and ready to go.

Project details

You will receive critical bug fixes for your existing .NET application with a strong focus on stability, clean implementation, and long-term maintainability. I diagnose and resolve issues across ASP.NET, .NET Core, WinForms, Web API, and enterprise systems, including crashes, broken features, performance issues, and production errors.

This service is suitable for urgent bug fixes, hidden runtime issues, unexpected exceptions, deployment problems, and complex defects that require senior-level debugging expertise.

My process includes thorough root cause analysis, safe and efficient fixes, code validation, and delivery of clean, updated source code to ensure your application runs smoothly without introducing new issues.
Programming Languages
JavaScript, ASP.NET, C#
Coding Expertise
PSD to HTML, Performance Optimization, Security
What's included
Service Tiers Starter
$50
Standard
$100
Advanced
$200
Delivery Time 2 days 4 days 6 days
Number of Revisions
123
Bug Investigation
Fix Documentation
Detailed Code Comments
5.0
1 review
100% Complete
(1)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

SA

Syed A.
5.00
Jul 22, 2026
You will get scalable web application for your business using .NET Waqar is an excellent Full-Stack Developer. From the start, he understood the requirements immediately and delivered a professional ASP.NET Core application with a secure Admin Panel, role-based access, SQL Server database, and a modern responsive design. Everything was delivered on time, the code was clean, and communication was outstanding throughout the project. I would definitely hire him again and highly recommend him to anyone looking for a reliable Full-Stack ASP.NET Developer.
Waqar H.Status: Offline

About Waqar

Waqar H.Status: Offline
Senior .NET Full Stack Developer | C# | ASP.NET Core | Angular | Azure
5.0  (1 review)
Lahore Cantt, Pakistan - 10:09 pm local time
I help businesses build, modernize, and maintain scalable .NET web applications using ASP.NET Core, C#, Angular, SQL Server, and Microsoft Azure. I work across the full development lifecycle—from database design and REST API development to responsive frontend development, integrations, deployment, and production support.

I have 6+ years of professional experience developing enterprise and business applications with .NET technologies. My experience includes building new applications from scratch, improving existing systems, integrating third-party APIs, optimizing database performance, debugging production issues, and developing clean, maintainable architectures.

What I can build for you

✅ ASP.NET Core Web APIs, MVC & business applications
✅ Full Stack .NET + Angular applications
✅ REST API development & third-party API integrations
✅ SQL Server database design & optimization
✅ Entity Framework Core & data access layers
✅ Authentication, authorization & role-based access
✅ Microservices & Clean Architecture solutions
✅ Microsoft Azure cloud deployment
✅ Azure DevOps & CI/CD pipelines
✅ Docker-based application deployment
✅ Legacy .NET application modernization
✅ Existing application debugging & performance optimization

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SOLUTIONS I WORK WITH
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SaaS & Business Applications
Scalable business applications with user management, role-based access, dashboards, reporting, APIs, database-driven workflows, and cloud deployment.

ERP & CRM Systems
Custom management applications with CRUD operations, workflow automation, reporting dashboards, SQL Server databases, administrative panels, and third-party integrations.

Enterprise Web Applications
ASP.NET Core and Angular applications designed around maintainability, performance, security, and scalable architecture.

API Development & Integrations
REST APIs, third-party API integrations, HttpClient-based integrations, SOAP/XML services, authentication, data synchronization, and external service connectivity.

AI-Powered .NET Applications
Integration of OpenAI/Azure OpenAI and LLM capabilities into .NET applications, including RAG, semantic search, document workflows, and AI-powered automation.

Cloud & DevOps
Microsoft Azure, Azure DevOps, CI/CD pipelines, Docker, Git-based workflows, application deployments, and production support.

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CORE TECH STACK
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Backend:
C# · .NET · .NET Core · ASP.NET Core · ASP.NET MVC · Web API · Entity Framework Core · Microservices

Frontend:
Angular · JavaScript · HTML · CSS · Bootstrap

Database:
SQL Server · MySQL · PostgreSQL · Stored Procedures · Database Optimization

Cloud & DevOps:
Microsoft Azure · Azure DevOps · CI/CD · Docker · Git · GitHub · GitLab

Architecture:
Clean Architecture · Repository Pattern · Layered Architecture · REST APIs · Microservices

AI & Integrations:
OpenAI · Azure OpenAI · RAG · Semantic Search · Vector Databases · AI Workflows · Third-Party APIs · SOAP/XML

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HOW I WORK
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→ I understand the requirements and existing architecture before starting development.
→ I focus on clean, maintainable, and scalable code rather than quick temporary fixes.
→ I communicate clearly throughout development and provide regular progress updates.
→ I test changes carefully to avoid affecting existing functionality.
→ I can work on both new applications and existing production systems.
→ I can support the complete lifecycle from development and database design through deployment and maintenance.

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PROJECT EXPERIENCE
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✔ CRM and business management applications with dashboards, role-based access, reporting, and workflow functionality
✔ ASP.NET Core applications with Angular frontends and SQL Server databases
✔ REST API development and third-party service integrations
✔ Enterprise applications using Clean Architecture and Entity Framework Core
✔ Azure/Azure DevOps deployments and CI/CD workflows
✔ Existing .NET application debugging, maintenance, and performance optimization
✔ AI/LLM integrations with .NET applications and enterprise workflows

I am available for long-term development, ongoing maintenance, and project-based engagements.

If you need a .NET developer for a new application, existing-system modernization, API integration, Angular development, database optimization, or Azure deployment, send me your requirements and I can review them and suggest an appropriate technical approach.

Skills:
ASP.NET Core | C# | .NET Core | Angular | SQL Server | REST API Development | Entity Framework Core | Microsoft Azure | Azure DevOps | Microservices | Clean Architecture | Docker | CI/CD | JavaScript | API Integration | PostgreSQL | MySQL | OpenAI | Azure OpenAI | RAG

Steps for completing your project

After purchasing the project, send requirements so Waqar can start the project.

Delivery time starts when Waqar receives requirements from you.

Waqar works on your project following the steps below.

Revisions may occur after the delivery date.

Analyze the Issue

Understand the bug, review code, and identify root cause

Review the work, release payment, and leave feedback to Waqar.