⭐⭐⭐⭐⭐ TOP RATED PLUS
Completed 4300+ hours Full Stack Asp.net development as a TOP RATED PLUS developer with 11+ years of experience.
I provide professional software engineering services. I help customers to reach business goals through coding, build a dev team, fill expertise and technological gaps.
My skill sets include:
Frontend skills:
* Javascript, JQuery, AJAX;
* HTML5, CSS3; Smarty, SCSS
* Adaptive layouts/frameworks - Bootstrap;
* AngularJS
* Angular 2+
Backend skills:
* .NET Core, Asp.net MVC, Asp.net Web API
* desktop Applications, Websites.
Databases:
* Relational: MySQL, MSSQL,Postgres;
* Non-Relational:MongoDB
.NET Frameworks:
-ASP.NET MVC
-Web Forms
-Windows Forms
-ADO.NET
Solutions we can provide:
*ERP Systems
*Management Systems
*E-Commerce Systems
*E-Learning
*Custom Websites
*Mobile Applications Development
My goal is to make you sure, that you will get a personalized development experience as per your requirements
ASP.NET
ASP.NET Core
ASP.NET MVC
C#
.NET Framework
RESTful API
API
Azure DevOps
Angular
Desktop Application
SQL
.NET Core
Website
Umbraco Cloud
Office 365
Lakhwinder S.
Mohali, India
$10/hr
4.8
60 jobs
Senior .NET Full Stack Developer | ASP.NET Core, C#, React, Angular, Azure | 12+ Years | 100% Job Success | Top Rated
Looking for a reliable .NET Full Stack Developer? I build enterprise-grade web applications and AI-powered systems with ASP.NET Core, C#, React, Angular, and Microsoft Azure. With 6,000+ hours delivered and a 100% Job Success Score across 49 projects, I bring deep expertise and proven reliability to every engagement.
🤖 AI & INTELLIGENT SYSTEMS
I actively use AI development tools (Cursor, Claude Code, GitHub Copilot) to accelerate productivity and deliver faster without sacrificing code quality. I also integrate AI features directly into your product:
→ OpenAI API & ChatGPT integrations
→ LangChain agents and RAG pipelines
→ AI chatbots embedded in .NET/React apps
→ Intelligent document processing and automation
→ AI-assisted legacy modernization (ASP.NET → .NET 8/10)
⚙️ BACKEND & API DEVELOPMENT
→ ASP.NET Core | .NET 6/7/8/10 | C# | Web API
→ Microservices | CQRS | Mediator pattern | Event-driven architecture
→ Entity Framework | Dapper | SignalR
→ REST APIs | GraphQL | Third-party API integrations
🖥️ FRONTEND DEVELOPMENT
→ React | Angular | Blazor | TypeScript | Vue.js
→ Responsive UI/UX | Tailwind CSS | Material UI
→ SPA development | PWA | Component architecture
☁️ CLOUD & DEVOPS
→ Microsoft Azure (App Service, Functions, SQL, Blob, DevOps)
→ AWS (EC2, S3, Lambda)
→ Docker | Kubernetes | CI/CD pipelines
→ IIS | Windows Server | Load balancing
🗄️ DATABASE
→ SQL Server | PostgreSQL | MongoDB | CosmosDB | Redis
🏗️ WHAT I BUILD FOR CLIENTS
→ SaaS platforms and enterprise web applications
→ Legacy ASP.NET to .NET 8/10 modernization
→ AI-powered features for existing products
→ ERP, CRM, WMS, HRIS, and e-commerce systems
→ Real-time dashboards with SignalR
→ Workflow automation and n8n integrations
✅ WHY CLIENTS CHOOSE ME
✔ 100% Job Success Score across 49 completed projects
✔ Top Rated Upwork's highest recognition
✔ AI-Native developer using Cursor, Claude Code & Copilot daily
✔ 12+ years with ASP.NET Core, C#, .NET ecosystem
✔ Fast delivery & clear communication (avg. response under 4 hrs)
✔ Full-time availability, 30+ hrs/week
If you need an AI-augmented .NET expert who delivers fast, writes clean scalable code, and communicates clearly send me an invite. I am available now and ready to start.
ASP.NET
ASP.NET Core
ASP.NET MVC
C#
.NET Framework
Angular
React
Azure DevOps
Blazor
REST API
Entity Framework
JavaScript
SQL
Docker
Azure App Service
OpenAI API
Microsoft Azure
TypeScript
PostgreSQL
Aziz K.
Mohali, India
$21/hr
5.0
28 jobs
⭐ 100% Job Success | Top Rated | 8+ Years of Experience
I help businesses build scalable web applications, automate workflows, modernize legacy systems, and develop AI-powered SaaS platforms using ASP.NET Core, Web APIs, React, Azure, Claude Code, and Cursor AI.
With 8+ years of experience in full-stack software development, I have helped startups, SMBs, and enterprise clients build reliable SaaS products, streamline operations through automation, and deliver scalable cloud-based solutions.
Whether you need a high-performance backend, enterprise web application, workflow automation, or AI-assisted product development, I can help you build secure, maintainable, and scalable solutions that support business growth.
🔹 What I Can Help You With:
✅ ASP.NET Core & Enterprise Web Development
Build secure, scalable, and maintainable web applications using ASP.NET Core 8/9, C#, MVC, Razor Pages, and Clean Architecture.
✅ REST API & Backend Development
Design and develop high-performance RESTful APIs using ASP.NET Web API, Entity Framework Core, LINQ, SQL Server, and modern architectural patterns.
✅ SaaS Application Development
Develop multi-tenant SaaS platforms with authentication, subscriptions, billing, user management, reporting, and third-party integrations.
✅ AI-Powered Software Development
Leverage Claude Code, Cursor AI, OpenAI, and modern AI tools to accelerate development, automate workflows, and build intelligent business applications.
✅ Workflow Automation & System Integration
Automate business processes and connect platforms using APIs, Webhooks, Power Automate, Azure Services, Stripe, PayPal, HubSpot, and other third-party systems.
✅ Cloud Solutions & Azure Development
Deploy and manage scalable cloud infrastructure using Azure App Services, Azure Functions, Service Bus, Storage Accounts, Azure SQL, and DevOps pipelines.
🔹 Common Problems I Solve:
• Legacy .NET applications that need modernization
• Manual business processes consuming valuable team time
• SaaS platforms struggling with scalability and performance
• Disconnected systems requiring API integrations
• Complex workflows needing automation
• Backend architecture that is difficult to maintain or extend
• AI adoption and integration into existing business applications
🔹 Real Business Impact:
• Automated workflows that save hours of manual work every week
• Developed scalable SaaS products used by growing businesses
• Built enterprise-grade APIs and backend systems
• Improved application performance and maintainability
• Delivered production-ready cloud solutions on Microsoft Azure
• Accelerated development cycles using AI-assisted engineering workflows
🔹 Why Clients Work With Me:
✔ 8+ years of hands-on software development experience
✔ Focus on business outcomes, not just code
✔ Strong communication and transparent progress updates
✔ Ability to handle projects independently from planning to deployment
✔ Experience building scalable, production-ready systems
✔ Strong understanding of modern software architecture and cloud platforms
🛠️ Core Skills & Technologies:
Backend:
• C#
• ASP.NET
• ASP.NET Core 8/9
• ASP.NET MVC
• ASP.NET Web API
• Entity Framework
• Entity Framework Core
• LINQ
• Microservices Architecture
• REST APIs
• Clean Architecture
Frontend:
• React.js
• Next.js
• TypeScript
• JavaScript
• HTML5
• CSS3
• Tailwind CSS
Database:
• SQL Server
• PostgreSQL
• MySQL
Cloud & DevOps:
• Microsoft Azure
• Azure Functions
• Azure Service Bus
• Azure DevOps
• CI/CD Pipelines
• Docker
Automation & Integrations:
• Power Automate
• REST APIs
• Webhooks
• Stripe
• PayPal
• HubSpot
AI Development:
• Claude Code
• Cursor AI
• OpenAI API
• AI Workflow Automation
• AI SaaS Development
• AI-Powered Applications
📩 Let’s Work Together
If you're looking for an experienced ASP.NET Core developer, SaaS architect, API specialist, workflow automation expert, or AI-powered software developer who can independently take ownership of your project and deliver production-ready solutions, feel free to send me a message. I'd be happy to discuss your requirements and explore how I can help.
ASP.NET
ASP.NET Core
ASP.NET Web API
C#
Microsoft Power Automate
.NET Core
React
Azure DevOps
OpenAI API
SQL
Entity Framework
SaaS Development
JavaScript
n8n
CI/CD
Microsoft Power BI
Microsoft PowerApps
Full-Stack Development
Blazor
Microservice
Raghav G.
Mohali, India
$25/hr
5.0
2 jobs
Hi, I’m a Full-Stack Developer with 12+ years of extensive experience in building scalable web and hybrid mobile applications. I specialize in delivering high-performance, secure, and user-centric solutions using modern technologies and best coding practices.
Technical Expertise
*Backend: ASP.NET, ASP.NET MVC, ASP.NET Core, C#, .NET Web Forms
*Frontend: React.js, Next.js, Angular, TypeScript, Redux, JavaScript, jQuery, AJAX, Bootstrap, HTML5, CSS3
*Full-Stack / Node: Node.js, Nest.js
*Mobile Development: React Native (Hybrid App Development)
*Desktop Applications: Windows Desktop App Development
Cloud & Databases
*Cloud Platforms: AWS, Microsoft Azure, Heroku
*Databases: MySQL, MongoDB, Relational Databases
AI & Modern Development
* AI-assisted development using GitHub Copilot, Claude, and Speckit
* Prompt engineering and intelligent code generation
* Experience integrating AI capabilities into modern applications
What Sets Me Apart
* Strong focus on clean architecture, scalability, and performance
* High attention to detail and commitment to quality
* Writing maintainable, production-ready code following best practices
* Reliable communication and long-term collaboration mindset
I am passionate about building robust and future-ready applications. Let’s collaborate to create something impactful and establish a long-term, mutually beneficial professional relationship.
ASP.NET Core
C#
React
Angular
Node.js
Xamarin
MongoDB
React Native
Android App Development
NestJS
Next.js
API
Blazor
Microsoft SQL Server Programming
Microsoft Azure
Sunil S.
Mohali, India
$15/hr
4.8
70 jobs
🏆 Top Rated Plus · ✅ 50+ jobs completed · ⏳ 15+ years shipping full stack products
Most "full stack" developers own the frontend and hand off the backend to someone else. I own both - React/Next.js on the frontend, .NET Core or Node.js on the backend, deployed and production-ready end to end. That means fewer handoffs, faster iteration, and a system that's architected consistently from database to UI instead of stitched together.
────────────────────────────────
ROLES I TAKE ON (15+ YEARS EXPERIENCE)
────────────────────────────────
✔ Full Stack Developer / Full Stack Engineer
✔ React Developer / React.js Developer / Next.js Developer
✔ Frontend Developer - component architecture, state management, performance
✔ .NET Developer / .NET Core Developer / C# Developer (backend & full stack)
✔ SaaS Developer / Multi-Tenant SaaS Architect
✔ Angular Developer (8–20) for teams standardized on Angular
────────────────────────────────
🛠️ CORE TECH STACK
────────────────────────────────
Frontend: React.js, Next.js, Angular, TypeScript, JavaScript, Tailwind CSS
Backend: .NET Core, ASP.NET Core, C#, Node.js, Web API, Entity Framework, Microservices, REST APIs
Cloud & DevOps: Microsoft Azure, AWS, Docker, CI/CD
Database: SQL Server, PostgreSQL, MongoDB
Also comfortable with: Python (FastAPI, Django, Flask) used when a project calls for it
────────────────────────────────
🚀 PROJECTS I'VE DELIVERED
────────────────────────────────
🔹 NinjaDAM - Multi-tenant SaaS, AWS S3/CloudFront, subscription billing.
Solved schema-per-tenant isolation so tenant data never crosses.
🔹 Xenophon - Legal transcription platform, real-time AI (Whisper, Google STT).
Solved speaker ID accuracy for court-admissible transcripts.
🔹 AceMMI - AI coaching platform, OpenAI-powered scoring across 8 competencies.
Rebuilt the async queue after serverless timeouts broke under load.
🔹 Rose POS - Restaurant POS system, React + Electron + FastAPI. Built a print
queue with retries so a jammed printer never blocks an order.
🔹 FLX Networks - B2B wealth management platform, React + Node + AWS/Azure.
Unified fragmented multi-party workflows into a single coherent system.
🔹 Vast Advisor - Compliance SaaS for investment advisors, Blazor + .NET. One
shared data layer powering independently operating client dashboards.
🔹 LOKR - IoT smart parcel locker SaaS, FastAPI + React. Cut failed deliveries
80% by fixing real-time state sync between hardware and software.
🔹 Montage - Software licensing & digital commerce platform, ASP.NET + SQL
Server. Automated the full license lifecycle with zero payment calculation errors.
🔹 Raprod - B2B marketplace with a real-time bidding engine. Held pricing
accuracy under concurrent buyer/supplier load.
🔹 Ontrack Careers - Rescued a broken AI career platform. Fixed auth (OTP,
OAuth, subscription bypass) without a full rewrite.
🔹 Crew Planner - Maritime fleet & crew management, Angular + .NET. Built
certification-expiry logic that correctly cascades across assignments.
🔹 Intervia - AI analytics dashboard for university career centers. Replaced
manual spreadsheets with role-filtered predictive reporting.
────────────────────────────────
🏆 WHY CLIENTS WORK WITH ME
────────────────────────────────
✅ Top Rated Plus - 50+ jobs completed on Upwork
✅ 15+ years shipping production frontend + backend systems
✅ Comfortable owning a project end-to-end or slotting into an existing team
✅ Enterprise client feedback: "demonstrated excellent technical knowledge and professionalism. Delivered high-quality work on time and was reliable throughout"
✅ Several contracts have run 6+ months, clients keep me on past the first milestone
✅ Clear communication, honest scoping, no surprises
If you need a Full Stack Developer who can own a React frontend and a real backend behind it, send me your project and I'll respond within a few hours.
Full Stack Developer | Full Stack Engineer | React Developer | React.js Developer | Next.js Developer | NextJS Developer | Node.js Developer | NodeJS Developer | TypeScript Developer | JavaScript Developer | Frontend Developer | Backend Developer | MERN Stack Developer | Python Developer | Django Developer | .NET Developer | ASP.NET Developer | C# Developer | SaaS Developer | Product Engineer | Technical Lead | SaaS Platform | SaaS Development | MVP Development | Web Application Development | Web App Developer | Custom Software Development | API Development | API Integration | REST API | GraphQL | Microservices | Multi-Tenant Architecture | Admin Dashboard | Scalable Architecture | PostgreSQL | MongoDB | SQL Server | Supabase | Prisma | Database Design | AWS | Azure | Vercel | Cloud Deployment | CI/CD | Authentication | OAuth | JWT | Role-Based Access | Stripe Integration | Payment Integration | Subscription Management | AI Integration | OpenAI API | Claude API | LLM Integration | RAG | AI Automation | Workflow Automation | Cursor | Claude Code | Replit | Lovable | AI-Assisted Development
ASP.NET Core
C#
React
FastAPI
Node.js
Next.js
REST API
Microsoft Azure
Amazon Web Services
Microsoft SQL Server
PostgreSQL
Full-Stack Development
Angular
Web API
Python
Docker
JavaScript
Tejinder S.
Mohali, India
$18/hr
4.8
44 jobs
As a seasoned Full-Stack .NET Developer, I bring a wealth of technical expertise and a proven track record in building scalable enterprise applications, SaaS platforms, cloud-native systems, high-performance APIs, and modern web and cross-platform applications using the Microsoft technology stack.
My expertise spans across ASP.NET Core, .NET 8/9/10, C#, Blazor, MAUI, Angular, React, Microservices, Cloud Infrastructure, and enterprise integrations. I specialize in designing robust backend architectures, secure APIs, real-time systems, and highly responsive frontend applications for businesses across multiple industries.
In addition to web and backend development, I have hands-on experience integrating AI-powered solutions into applications, including intelligent chatbots, recommendation engines, predictive analytics, OCR automation, Computer Vision, workflow automation, and AI-assisted business tools. I have worked with modern AI APIs and cloud services to enhance user experience through personalization, smart insights, intelligent automation, and real-time decision-making.
My expertise includes developing scalable AI-enabled applications with intelligent automation, real-time decision systems, Computer Vision, OCR pipelines, AI chat assistants, and data-driven personalization features for modern businesses.
Listed below is an overview of my skills and the tools I have worked with.
Languages :
C#, ASP.NET, ASP.NET Core, .NET 8/9/10, JavaScript (ES6+), TypeScript, SQL, T-SQL, HTML5, CSS3, Python, JSON
Frameworks :
ASP.NET MVC, ASP.NET Core MVC, Blazor Server, Blazor WebAssembly, MAUI Blazor Hybrid, Entity Framework Core, Web API, SignalR, Angular, React.js, Node.js, ABP Framework, Microservices Architecture, Clean Architecture
Libraries / APIs :
Twilio API, Stripe API, PayPal SDK, Google Maps API, Azure OCR, Google OCR, Firebase, REST APIs, GraphQL APIs, SignalR, WebSockets, MailChimp API, Power BI, ArcGIS, OAuth, JWT Authentication
Cloud / DevOps :
Microsoft Azure, Azure DevOps, Azure AKS, AWS (EC2, S3, Lambda), Docker, Kubernetes, CI/CD Pipelines, GitHub Actions, IIS Deployment, Cloud Functions
Tools :
Visual Studio, VS Code, SQL Server Management Studio, Postman, Swagger, Git, GitHub, GitLab, Bitbucket, SVN, Jira, Trello, Redmine, Pivotal Tracker, Azure Portal
Frontend :
Blazor, Angular, React.js, JavaScript, jQuery, Bootstrap, Tailwind CSS, Responsive UI Development, SPA Applications
Database / Storage :
Microsoft SQL Server, MySQL, PostgreSQL, MongoDB, SQLite, Redis, Firebase Firestore, DynamoDB
Platforms :
Web Applications, SaaS Platforms, Enterprise Applications, Desktop Applications (Windows & macOS), Mobile Applications (iOS & Android using MAUI Blazor), Cloud-Based Applications
Paradigms :
Agile Software Development, Scrum, Kanban, MVC, MVVM, Domain-Driven Design (DDD), Clean Architecture, SOLID Principles
Core specialization in:
* Enterprise SaaS platforms
* CRM / ERP systems
* Fintech and payment applications
* Healthcare and Telemedicine systems
* Logistics and Supply Chain platforms
* School Management Systems
* AI-powered business applications
* Real-time dashboards and analytics systems
* E-commerce platforms
* Booking and On-demand service platforms
* OCR and document processing systems
* Cross-platform desktop and mobile applications using .NET MAUI
ASP.NET
ASP.NET MVC
C#
.NET Framework
Nuxt.js
AngularJS
JavaScript
Git
Transact-SQL
Kendo UI
React
DNN
Startup Company
Telerik
Blazor
.NET Core
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