Senior .NET & C# Developer with 12+ years building enterprise SaaS platforms, REST APIs, and cloud systems on Azure & AWS. 300+ projects delivered across Healthcare, Finance, Insurance, Manufacturing, Logistics, Retail, Education, Recruitment, Construction, and Travel.
I specialize in helping mid-market companies modernize legacy systems,
build scalable SaaS platforms, and deploy secure, high-performance
applications on Microsoft Azure and AWS.
๐๐๐๐๐๐ก๐ ๐๐ซ๐ฃ๐๐ฅ๐ง๐๐ฆ๐:
.NET | C# | ASP.NET Core | Web API | Microservices | Entity Framework
Core | SQL Server | VB.NET
๐๐ฅ๐ข๐ก๐ง๐๐ก๐:
React | Angular | Next.js | Blazor | Responsive UI
๐ ๐ข๐๐๐๐ & ๐๐ฅ๐ข๐ฆ๐ฆ-๐ฃ๐๐๐ง๐๐ข๐ฅ๐ :
.NET MAUI | iOS / Android / Windows | Offline-first architecture
๐๐๐ข๐จ๐ & ๐๐๐ฉ๐ข๐ฃ๐ฆ:
Azure (App Services, Functions, Service Bus, Storage) | AWS (EC2, S3,
Lambda, RDS) | Docker | Kubernetes | CI/CD | Azure DevOps
๐ช๐๐๐ง ๐ ๐๐จ๐๐๐:
- Enterprise SaaS platforms (multi-tenant, subscriptions, user management)
- Legacy modernization: VB.NET to .NET Core, WinForms to Blazor,
monolith to microservices
- ASP.NET Core REST APIs with React, Angular, or Next.js frontends
- .NET MAUI cross-platform mobile apps
- Real-time systems with SignalR and WebSockets
- Azure & AWS cloud architecture, scaling, and optimization
WHO I WORK WITH:
Mid-market and enterprise companies that need reliable, scalable .NET
systems โ not just code, but architecture that lasts.
๐ ๐ฌ ๐๐ฃ๐ฃ๐ฅ๐ข๐๐๐:
Clean architecture. Clear communication. On-time delivery. I design
software built to scale from day one.
Ready to modernize your stack or launch your next .NET platform?
Let's talk.
C#
ASP.NET Core
ASP.NET Web API
.NET Framework
ASP.NET MVC
ASP.NET
Microsoft SQL Server
.NET Core
React
Angular
Microsoft Azure
API Integration
Blazor
Entity Framework
.NET Stack
VB.NET
Xamarin
Azure DevOps
JavaScript
SQL
Burhan U.
Lahore Cantt, Pakistan
$35/hr
5.0
8 jobs
With ๐ญ๐ฐ+ ๐๐ฒ๐ฎ๐ฟ๐ architecting in the .NET ecosystem, I design C# .NET and cloud-native architectures that are built for the ๐ฎ๐ฌ๐ฎ๐ฒ reality: scalable across AWS and Azure, secure by default, and wired for AI from day one.
Whether you're a founder launching your first SaaS or a CTO staring down a legacy monolith that nobody wants to touch, I bring the technical leadership to turn that vision into something fast and maintainable.
What I Actually Bring to the Table:
- Legacy Modernization: I've untangled enough "spaghetti" .NET Framework (3.5/4.8) codebases to know that rewriting isn't always the answer.. but when it is, I migrate into clean, modular .NET 8/9 microservices that your team can actually work with.
- AI & Automation: From Azure OpenAI to AWS Bedrock, I implement agentic workflows and RAG pipelines that automate the boring stuff and let your team focus on what matters.
- Performance Engineering: SQL Server query plans, indexing strategies, cloud cost optimization, I've cut latency and slashed AWS/Azure bills by 30%+ more times than I can count.
- Security-First Architecture: Zero-Trust, OAuth2, SOC2-compliant designs for fintech, healthcare, and anyone who can't afford a breach headline.
The ๐ฎ๐ฌ๐ฎ๐ฒ Stack I Work In:
Backend: C#, ASP.NET Core 8/9, MVC, Web API, gRPC, SignalR, Blazor (Server/WASM)
Frontend: Angular 19, React (Next.js), TypeScript, Tailwind CSS
Cloud & DevOps: Azure (Functions, Logic Apps, Service Bus, OpenAI) ยท AWS (Lambda, S3, Bedrock) ยท Docker ยท Terraform ยท GitHub Actions ยท CI/CD ยท Microservices Architecture ยท Domain-Driven Design ยท CQRS ยท OAuth2 ยท JWT
Data: SQL Server (optimization specialist), PostgreSQL, MongoDB, Vector Databases for AI/RAG pipelines
Why ๐ญ๐๐ฐ+ Years Matters:
I've led teams, rescued failing projects, and shipped for startups and Fortune 500s alike. I speak ROI and Go-To-Market as fluently as I speak CI/CD. You'll not be hiring someone who just writes code, you'll get a technical partner who makes sure your technology accelerates your business instead of holding it back.
Available for architectural audits, project rescues, or long-term development. Click 'Message' let's talk about where your project needs to go.
MVC Framework
.NET Core
.NET Framework
ASP.NET MVC
C#
Angular
React
Azure DevOps
Azure OpenAI Service
Microsoft SQL Server
MySQL
AWS Lambda
Bootstrap
TypeScript
AWS Cloud9
FinTech
AWS IoT Core
Blazor
DevOps
System Administration
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 Web API
.NET Stack
C#
ASP.NET Core
ASP.NET MVC
.NET Framework
ASP.NET
.NET Core
ASP.NET Ajax
Microsoft Azure SQL Database
Microservice
React
Angular
SQL
API Integration
ASP
NoSQL Database
API Development
Blazor
Stripe API
Rabeel A.
Lahore, Pakistan
$15/hr
5.0
8 jobs
I help SaaS, Healthcare, CRM and logistics teams build secure, scalable .NET systems with ASP.NET Core, Angular, Azure and SQL. I can handle architecture, APIs, database design, integrations, deployment and production fixes.
Senior Solution Architect with 8+ years of experience in software architecture, design, and development. I've successfully architected, designed, developed, and deployed numerous projects for multibillion-dollar brands in the USA, Europe, Australia,and Africa consistently achieving 100% client satisfaction.
My track record includes delivering complex products within tight deadlines. I'm highly motivated, detail-oriented, and committed to staying at the forefront of technology.
Technical Skills:
Backend Proficiency:C#, ASP.NET, .NET Core, ASP.NET MVC, Web API, RESTful APIs, LINQ, WinForms, WebForms (ASPx), C++, C, .NET MAUI
Frontend Proficiency: React, Angular, Typescript, Javascript, HTML5, Bootstrap
Database: MS SQL Server (Azure Data Studio), MySQL,postgresql
Frameworks: .Net 8.0,7.0, 6.0, 5.0, and lower versions, .Net framework 4.8, 4.7, 3.5, and lower versions
ORM: Entity Framework,ADO.NET,Dapper, NHibernate
Tools: VS 2022 and lower versions, VS Code, Microsoft Visio, JIRA, Trello, Azure DevOps, Visual Git, WebServer/IIS
Reporting Tools: SSRS Reports, Crystal Reports, .Net reporting
Other Proficiency: Payment gateways, Social media integrations, Google Sentiment Analysis, Microsoft Azure Cognitive Services, SignalR, Xero Twilio
Experience:
Website Development
Web App Development
E-Commerce Solution Development
Plug-In & API Development with Integration
AI-Integration
What You Can Expect:
100% Productivity with daily progress reports
Dedicated & friendly team with ultra-fast response time
Well-commented enterprise-ready source code
Tasks and Issue Tracking system
Excellent Service and Communications
Commitment to long-term relationships
I keep my websites SEO-friendly, stay updated with the latest technologies, and believe in delivering top-quality services. I'm passionate about software development and look forward to exciting opportunities.
Thanks for considering my profile. ๐
.NET Developer | ASP.NET Developer | C# Developer | .NET Core Expert |.NET MVC Developer | .NET Framework Specialist | .NET Full-Stack Developer | .NET Software Engineer | .NET Core Architect | ASP.NET MVC Developer | ASP.NET Core | ASP.NET Web API | ASP.NET Razor Pages | ASP.NET Blazor | ASP.NET Identity Framework | ASP.NET WebForms | Angular Developer | Angular JS Expert | JavaScript Expert | HTML5 & CSS3 Specialist| React and .NET Integration | Front-End Development with Angular | Responsive Web Design with Angular | TypeScript Developer | MVC Developer | MVVM Architecture | SOLID Principles | Microservices Architecture | RESTful API Design | Software Architecture in .NET | Azure .NET Developer | Microsoft Azure Cloud Solutions| Azure DevOps with .NET | .NET Core Deployment on Azure | CI/CD Pipelines with .NET and Azure | Cloud Solutions Architect | SQL Server Specialist | Entity Framework Expert | LINQ to SQL | Database Design in .NET | NoSQL Databases with .NET | Entity Framework Core | SignalR Developer | DevExpress & Telerik Controls | Dapper ORM | WCF (Windows Communication Foundation) | Object-Oriented Programming (OOP) in .NET | Dependency Injection in .NET | Asynchronous Programming in C# | Multi-threading and Concurrency in .NET | Unit Testing with .NET | MongoDB | COSMODB | Enterprise-Level .NET Architect | Full-Stack .NET Developer | Cloud and API Integration Specialist, Node.js |Apache Kafka | Syncfusion | MultiTenant | SaaS
MVC Framework
ASP.NET Core
C#
RESTful API
Angular
TypeScript
SQL
Entity Framework
Azure DevOps
CI/CD
CRM Software
PostgreSQL
Blazor
Azure Cognitive Services
SignalR
API Integration
ASP.NET MVC
.NET Framework
Microsoft SQL Server
PostgreSQL Programming
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 Core
ASP.NET MVC
Web Design
ASP.NET Web API
CSS
C#
ASP.NET
jQuery
Microsoft SQL Server
Angular
.NET Framework
Azure DevOps
Web Service
Microsoft Azure
Mobile App Development
Hamza A.
Sargdha, Pakistan
$20/hr
4.8
20 jobs
๐ Top Rated Plus || More than Decade of experiacne || Successfully Built large scale customized solutions || ๐ฏโญ 100% 5-Star Ratings
Iโm a senior full-stack developer with 10+ years of experience. I specialize in delivering High-quality work with respect for strict deadlines and high expectations. I have expertise in web application development using multiple frameworks especially (React, NodeJs, Laravel, and Codeigniter).
My skill set includes the following:
๐ Front-end Development Technologies
โ React JS
โ Angular JS
โ Vue.js
โ jQuery
โ JavaScript
โ Bootstrap
โ HTML5/CSS3
๐ Back-end Development Technologies
โ Laravel
โ Codeigniter
โ Docker, Docker Compose, Docker Stack
โ Node JS
โ C#
โ PHP
โ .Net MVC
โ WordPress
๐ Database Architect
โ MS SQL
โ Oracle DB
โ PostgreSQL
โ MySQL
๐ Teamwork & Project Management:
- Agile, Scrum, Kanban, XP experience
- Github, Bitbucket, Dev tool (gitlab),
- Gmail and Google others
- Jira, Basecamp, PivotalTracker, Trello, Redmine
๐ Specialist in:
-Payment gateway implementations (stripe, authorized.net, Braintree, Square)
-Twilio
-Emailing API's (Mailgun, Mailchimp)
-Gmail API integration using oAuth (reading, composing)
-Google Analytics API
-Google Tag Manager API
-Real-Time APIs (Pusher)
-Image management (Intervention)
-Lightspeed Api (eCom/Single shop solution)
-Real-time Google Search Results API (Scaleserp, Serpapi API)
-Accounting APIs (Xero)
-Laravel CMS management
-Marketing APIs (Tapfiliate, Pipedrive)
-E-commerce Projects
-Facebook, Twitter, Instagram
-OAuth - Google, Facebook, Twitter, LinkedIn, Github, StackOverflow
๐ Tools and services:
โ Github, Bitbucket, Gitlab
โ Gitlab CI, Jenkins
โ Google Analytics, Facebook Pixel, Firebase/Firestore
โ Telegram, WhatsApp, Viber
๐Industry expertise ๐
โข Rental web Development
โข Marketplace Apps (Amazon, eBay, Bol.com)
โข Hotel Booking web Development
โข Education in web Development
โข Photography Web Development
โข Real estate development
โข Healthcare development
โข E-Commerce development
I am using best practices in agile software development and project management and maintain regular communication with my clients while ensuring each project is completed in time. If testing is in the scope of a project, I prefer TDD.
Effective Communication:
On top of all these technical strengths, I possess excellent communication skills and always make sure to keep the clients in the loop so they know what's happening and could reach out for help anytime.
The ๐Client Review๐ below which you will find in my reviews section and numerous others like it, describes the quality of work and value that you can expect from working with me:
"Hamza has changed the game for my project. His skills, expertise, and willingness to go above and beyond what I expected or asked for have been absolutely brilliant. I don't have the technical skills needed to accomplish my project, and I had tried about a dozen people before asking Hamza for his help. It has been so good that I finished my project and have the tool ready to use. He found bugs I was not aware of and fixed them, and also optimized speed and design whenever he found the opportunity- without me asking for him to do so. In other words, you won't go wrong with Hamza."
Thanks for going through my profile. Please get in touch to say hello!
Regards,
Hamza Aslam
MVC Framework
Node.js
Twilio API
MySQL
React
Database Design
JavaScript
Technical Project Management
Laravel
Server Administration
API Integration
Linux System Administration
Payment Gateway Integration
Vue.js
CI/CD
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