I help startups and businesses build secure, scalable .NET web applications, from MVP to full production, with 5+ years of hands-on experience in full-stack development, SaaS architecture, and cloud engineering.
๐ ๐๐ผ๐ฟ๐ฒ ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ
โ .NET Core, ASP.NET Core, C#, and Enterprise Backend Architecture
โ Scalable REST APIs, Microservices, and Distributed Systems
โ Secure Auth using JWT, OAuth, RBAC, and Identity Management
โ SQL Server, Azure SQL, Entity Framework Core, and Query Optimization
โ Responsive Frontend Development and Full-Stack Application Design
โ Component-Based Architecture for Maintainable, Scalable Codebases
โ Azure, Docker, DevOps, CI/CD Pipelines, and Release Automation
๐๐ผ๐บ๐ฎ๐ถ๐ป ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ
โ Healthcare Applications
โ SEO Platforms & Marketing Tools
โ Cybersecurity Software
โ E-Commerce Platforms
โ SaaS Products & Enterprise Applications
๐๐น๐ผ๐๐ฑ, ๐ฆ๐ฎ๐ฎ๐ฆ & ๐ฃ๐ฒ๐ฟ๐ณ๐ผ๐ฟ๐บ๐ฎ๐ป๐ฐ๐ฒ ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ๐ถ๐ป๐ด
โ Azure App Services, Azure SQL, Storage, Functions, and Cloud Deployment
โ CI/CD Pipeline Design and DevOps Best Practices
โ Performance Optimization, Monitoring, and Reliability Engineering
โ Multi-Tenant SaaS with Subscription Management and Payment Integration
โ Scalable Architecture Built for Long-Term Growth and High Availability
๐ฆ๐ฒ๐ฟ๐๐ถ๐ฐ๐ฒ๐ ๐ ๐ข๐ณ๐ณ๐ฒ๐ฟ
โ Custom SaaS Development, MVP to Production
โ Enterprise Web Applications with Secure, Scalable Architecture
โ REST API Development, Third-Party Integrations & Backend Modernization
โ Clean, Responsive Frontend Interfaces
โ Cloud Infrastructure Setup, Optimization & Deployment Automation
โ Ongoing Maintenance, Feature Expansion & Technical Support
๐ช๐ต๐ ๐๐น๐ถ๐ฒ๐ป๐๐ ๐๐ต๐ผ๐ผ๐๐ฒ ๐ ๐ฒ
โ 5+ Years of Real-World .NET Development Experience
โ Technical Depth Combined with Business-Focused Thinking
โ Clean, Documented, Future-Proof Code You Can Own and Scale
โ Clear Communication, Fast Turnaround, and Proactive Updates
โ Consistent On-Time Delivery with No Compromise on Quality
โ A Long-Term Partner โ Not Just a One-Time Developer
From architecture design and development to cloud deployment and ongoing support, I take full ownership of delivering production-ready software your business can rely on. Let's build something great message me to get started.
๐ฆ๐ฒ๐ฟ๐๐ถ๐ฐ๐ฒ๐:
Senior .NET Developer Upwork
Full-Stack .NET Developer Upwork
ASP.NET Core Developer Upwork
ASP.NET MVC Developer Upwork
C# Developer Upwork
.NET Core Developer Upwork
.NET Backend Developer Upwork
.NET API Developer Upwork
REST API Developer Upwork
Microservices Developer Upwork
Enterprise Application Developer Upwork
SaaS Application Developer Upwork
Cloud Application Developer Upwork
Azure .NET Developer Upwork
SQL Server Developer
Database Architecture Specialist
Performance Optimization Specialist
Software Maintenance & Support
Application Migration & Upgrade Services
Third-Party Integration Specialist
๐ฆ๐ธ๐ถ๐น๐น๐:
ASP.NET Core
C#
.NET Core
MVC
Web API
Entity Framework Core
SQL Server
Azure SQL
Microservices
RESTful APIs
SignalR
Blazor
Azure
AWS
Docker
CI/CD Pipelines
Agile Development
Responsive Web Design
Frontend Development
Backend Development
Database Management
Scalable Architecture
Cloud Deployment
๐๐ป๐๐ฒ๐ด๐ฟ๐ฎ๐๐ถ๐ผ๐ป ๐๐ฒ๐๐๐ผ๐ฟ๐ฑ๐
Amazon SP API Integration
Burp Suite Integration
Stripe Integration
Payment Gateway Integration
Third-Party API Integration
ASP.NET
ASP.NET Core
ASP.NET MVC
ASP.NET Web API
C#
.NET Framework
.NET Core
.NET Stack
ASP
Azure DevOps
Microsoft Azure SQL Database
Microsoft Visual Studio
SaaS Development
API Integration
Web Development
React
Web API
Desktop Application
Fazal A.
Islamabad, Pakistan
$12/hr
4.9
22 jobs
โ 100% Job Success | Rising Talent | Top Quality Delivery
๐ผ Senior Full Stack .NET Developer | C# | .NET 8 | Azure | React
Hello โ
If you're looking for a developer who can build scalable, secure, and high-performance applications, you're in the right place.
Iโm a Full Stack .NET Developer with 7+ years of experience, specializing in C#, .NET Core (6/7/8), and modern web technologies. Since 2018, Iโve been helping clients design and develop reliable backend systems, APIs, and full-stack applications that are built to scale.
๐ What I can do for you:
Build robust .NET Core Web APIs & enterprise backend systems
Develop modern, responsive React.js frontends
Design clean, scalable architectures (Clean Architecture, SOLID, DI)
Optimize performance using Entity Framework, Dapper, Redis
Integrate third-party services, APIs, and cloud solutions
Set up CI/CD pipelines using Azure DevOps
Fix, upgrade, or scale existing applications
๐ Core Technologies:
C#, .NET Core, ASP.NET MVC/Web API, Blazor, React.js, JavaScript, SQL Server, PostgreSQL, MongoDB
โ๏ธ Tools & Expertise:
Entity Framework Core, LINQ, Dapper, REST APIs, Azure, AWS, Git (GitHub/GitLab/Bitbucket), CI/CD, Unit Testing (xUnit, bUnit), Redis, ElasticSearch
๐ Architecture & Best Practices:
Clean Architecture, Repository Pattern, SOLID Principles, Dependency Injection
โ๏ธ Cloud & DevOps:
Azure, AWS, Azure DevOps, CI/CD pipelines
๐ฏ I focus on writing clean, maintainable code, delivering on time, and ensuring long-term scalability for your business.
๐ Available for full-time, long-term projects (EST hours compatible)
Letโs build something great together โ feel free to message me anytime!
ASP.NET Core
ASP.NET MVC
ASP.NET Web API
C#
jQuery
Bootstrap
API
CSS
JavaScript
Microsoft SQL Server
.NET Core
Entity Framework
React Bootstrap
Web Development
Desktop Application
Adnan N.
Lahore, Pakistan
$12/hr
5.0
5 jobs
I am a Full Stack .NET Core Developer with experience building scalable, high-performance web applications. I specialize in ASP.NET Core, C# .NET, Angular, and Laravel, delivering complete end-to-end solutions.
I have worked on enterprise systems and SaaS platforms, focusing on clean architecture, maintainable code, and efficient performance. I can help you develop new applications, improve existing systems, or resolve complex technical issues.
Core Skills:
Backend Development:
ASP.NET Core, .NET Core, C#, Laravel, Entity Framework
Frontend Development:
Angular, ReactJS, TypeScript, JavaScript, HTML5, SCSS, Bootstrap
Database Management:
SQL Server, PostgreSQL, MySQL, Firebase
API Development:
RESTful APIs, third-party integrations
Tools & Workflow:
GitHub, GitLab, Agile, Jira
Deployment:
Azure, AWS, Google Cloud, VPS
Project Experience:
Developed enterprise ASP.NET Core applications with Angular frontends
Built Laravel-based systems including EMR and accounting solutions
Delivered responsive and cross-platform web applications
I focus on delivering reliable, scalable, and maintainable solutions that align with business goals.
Feel free to reach out to discuss your project.
ASP.NET
.NET Framework
.NET Core
PHP
Laravel
React
MySQL
Software Development
Web Development
JavaScript
Tailwind CSS
HTML5
API Integration
Payment Gateway Integration
OpenAI API
Asher M.
Lahore, Pakistan
$35/hr
5.0
38 jobs
Hello! Iโm Asher, a Senior Full-Stack Engineer with 8+ years of experience delivering scalable, high-performance web applications across finance, logistics, healthcare, and SaaS. I specialize in building enterprise-grade solutions, migrating legacy systems, and providing long-term application support.
๐ช๐ต๐ฎ๐ ๐ ๐๐ผ ๐๐ฒ๐๐
Full-Stack Web Development: ASP .NET Core, Blazor, MVC, Angular, React, Razor Pages
Backend & API Engineering: RESTful APIs, SignalR, Clean Architecture, Microservices
Database Optimization: SQL Server, Entity Framework Core, Query & Stored Procedure Optimization
Legacy System Migration: Modernizing Web Forms and older .NET apps to ASP .NET Core with modern frontends
DevOps & Deployment: Azure, AWS, IIS, Docker, CI/CD Pipelines
๐ช๐ต๐ ๐๐ต๐ผ๐ผ๐๐ฒ ๐ ๐ฒ?
Proven Expertise: Delivered 20+ .NET projects with measurable results
Scalable Solutions: Applications designed to grow with your business
Client-Centric Approach: Clear communication, timely delivery, dedicated support
Future-Proof Development: Clean, maintainable, and well-documented code
Continuous Learning: Staying ahead with the latest technologies
Ideal Clients & Projects
Teams seeking a full-stack lead bridging C# and modern JS frameworks
Companies with existing .NET apps needing frontend refresh or full-stack migration
Projects requiring long-term maintenance and ownership
Clients seeking predictable, high-quality delivery over low-cost short-term work
๐ฆ๐ฒ๐ฟ๐๐ถ๐ฐ๐ฒ๐:
.NET Developer Upwork
.NET Development Upwork
ASP.NET Developer Upwork
ASP.NET Core Developer Upwork
C# Developer Upwork
.NET Web Development Upwork
.NET Application Development Upwork
.NET Software Developer Upwork
.NET API Development Upwork
.NET Backend Developer Upwork
.NET Full Stack Developer Upwork
ASP.NET MVC Developer Upwork
.NET Core Developer Upwork
.NET Microservices Developer
.NET REST API Developer
.NET Web API Development
.NET Enterprise Application Development
.NET Database Development
.NET SQL Server Developer
.NET Azure Developer
.NET Cloud Application Development
.NET Integration Developer
.NET Performance Optimization
.NET Maintenance and Support
.NET Migration & Upgrade Services
๐๐ฒ๐๐๐ผ๐ฟ๐ฑ๐
Full-Stack .NET Developer, Backend .NET Developer, ASP .NET Core, C#, ASP .NET MVC, Web API, RESTful APIs, Microservices, Clean Architecture, SignalR, Blazor Server, Blazor WebAssembly, Razor Pages, Angular, React, Responsive Web Design, HTML5, CSS3, JavaScript, Bootstrap, SQL Server, Amazon SP-API, SOAP API, Query Optimization, Stored Procedures, Database Optimization, Entity Framework Core, Database Migration, Legacy System Migration, Web Forms Migration, Performance Optimization, Azure, Azure DevOps, AWS, CI/CD Pipelines, Docker, IIS, Agile Development
๐๐ฏ๐๐ข๐ฅ๐๐๐ข๐ฅ๐ข๐ญ๐ฒ
Part-time or full-time contracts
Reliable US/EU timezone overlap
๐๐ฒ๐โ๐ ๐๐๐ถ๐น๐ฑ ๐ฆ๐ผ๐บ๐ฒ๐๐ต๐ถ๐ป๐ด ๐๐ ๐๐ฟ๐ฎ๐ผ๐ฟ๐ฑ๐ถ๐ป๐ฎ๐ฟ๐!
Send me your project details, and Iโll reply in less than 1 hour with a clear plan and honest recommendations.
Ready to accelerate your roadmap? ๐๐ฅ๐ข๐๐ค โ๐๐ง๐ฏ๐ข๐ญ๐โ or message me with a quick brief, and Iโll outline a solution within 24 h.
ASP.NET
ASP.NET Core
ASP.NET MVC
ASP.NET Web API
C#
.NET Framework
.NET Stack
.NET Core
ASP.NET Ajax
Microsoft Azure SQL Database
Microservice
React
Angular
SQL
API Integration
ASP
NoSQL Database
API Development
Blazor
Stripe API
Muhammad B.
Sargodha, Pakistan
$25/hr
5.0
55 jobs
Senior ASP.NET Core Developer | Custom CRM, ERP & SaaS Development | Azure | Blazor
I'm Muhammad Bilal, a Senior ASP.NET Core Developer with 7+ years of experience building custom CRM systems, ERP software, SaaS platforms, REST APIs, and enterprise web applications using C#, ASP.NET Core, Blazor, SQL Server, and Microsoft Azure.
I help startups, growing businesses, and enterprises transform manual processes into scalable software solutions that improve efficiency, automate workflows, and support business growth.
Whether you need a custom CRM, ERP system, SaaS platform, customer portal, admin dashboard, or secure Web API, I can help you design, develop, deploy, and maintain a production-ready solution.
Recent Project
I developed a complete CRM platform for the coworking industry that manages:
โ Lead Management
โ Member Management
โ Desk & Meeting Room Booking
โ Invoicing & Payments
โ Support Tickets
โ Multi-Location Operations
โ Role-Based Access Control
โ Reporting & Analytics
Core Expertise
โ ASP.NET Core Development
โ Custom CRM Development
โ ERP Development
โ SaaS Application Development
โ C# Development
โ REST API Development
โ Blazor Server & Blazor WebAssembly
โ ASP.NET MVC
โ Razor Pages
โ Microservices Architecture
โ Clean Architecture
โ Domain-Driven Design (DDD)
Database & Backend
โ SQL Server
โ Entity Framework Core
โ LINQ
โ Database Design
โ Query Optimization
โ Stored Procedures
โ Data Migration
Security & Authentication
โ JWT Authentication
โ ASP.NET Core Identity
โ OAuth & External Authentication
โ Role-Based Authorization
โ API Security Best Practices
Real-Time Applications
โ SignalR
โ Live Chat Systems
โ Notifications
โ Real-Time Dashboards
โ๏ธ Azure & DevOps
โ Microsoft Azure
โ Azure App Services
โ Azure SQL Database
โ Azure Storage
โ CI/CD Pipelines
โ Azure DevOps
โ Docker Containerization
Front-End Development
โ Blazor
โ Angular
โ Bootstrap
โ Responsive UI Development
โ Admin Dashboards
Quality & Performance
โ Unit Testing
โ xUnit
โ NUnit
โ Moq
โ Performance Optimization
โ Code Reviews
โ Scalable Architecture
Why Clients Hire Me
โ Strong focus on business requirements, not just code
โ Experience building industry-specific CRM and ERP systems
โ Clean, maintainable, and scalable code
โ Excellent communication and project transparency
โ Reliable delivery and long-term support
โ Production-ready software built for growth
If you're looking for an ASP.NET Core Developer, Blazor Developer, C# Developer, Azure Developer, or someone to build a custom CRM, ERP, or SaaS platform, let's discuss your project.
Muhammad Bilal
Senior ASP.NET Core Developer
Custom CRM, ERP & SaaS Solutions
ASP.NET
ASP.NET Core
ASP.NET MVC
ASP.NET Web API
C#
.NET Framework
Microsoft SQL Server
Blazor
SignalR
REST API
Web Development
Microservice
Docker
Angular
Azure DevOps
Muhammad Q.
Faisalabad, Pakistan
$20/hr
5.0
28 jobs
Hi, Iโm Qasim โ a Senior .NET Developer with 9+ years of experience building scalable, high-performance software solutions. I specialize in modern .NET Core, Microservices, and Cloud-based architectures, and Iโm passionate about delivering clean, reliable code that drives real business value.
My skill set is extensive and includes the following:
Back-end Skills:
-C#, .NET Framework, .NET Core โ designing clean, maintainable, and scalable solutions.
-Entity Framework Core, Dapper.net โ efficient database access and performance optimization.
-Microservices & Distributed Systems โ architecture, communication, and deployment.
-RESTful APIs, oData, gRPC โ reliable integrations and cross-system communication.
-Identity & Security โ MSAL, Microsoft Identity Framework, Identity Server.
-Messaging & Real-time โ RabbitMQ, SignalR, WebRTC.
-Databases โ MS SQL Server, MySQL, PostgreSQL.
Front-end Skills:
-Web UI โ HTML5, CSS, Bootstrap, Tailwind.
-JavaScript & TypeScript โ jQuery and Angular.
-Responsive UI โ modern, user-friendly interfaces.
I have a strong understanding of Agile/Scrum practices, ensuring smooth teamwork and adaptability. With experience in GitHub, GitLab, and Bitbucket, I maintain clean workflows and code integrity.
In short, my skills and experience make me a strong fit for your project, and Iโm eager to discuss how I can contribute.
ASP.NET
ASP.NET Core
ASP.NET MVC
ASP.NET Web API
C#
.NET Framework
Web Design
CSS
jQuery
Microsoft SQL Server
Angular
Azure DevOps
Web Service
Microsoft Azure
Mobile App Development
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