Amandeep K.

🏆 Top Rated Plus on Upwork | 💼 8+ Years of Experience | 💰 $10K+ Earned Looking for an experienced .NET developer who can build scalable applications, solve complex technical challenges, and deliver reliable, production-ready solutions? I help businesses build, optimize, and modernize web applications, enterprise systems, APIs, and business-critical software using .NET, C#, SQL Server, React, and cloud technologies. With 8+ years of software development experience, I bring a strong understanding of application architecture, backend engineering, database optimization, third-party integrations, and full-stack development. I focus on writing clean, secure, and maintainable code while ensuring applications perform reliably in production. Whether you need to build a new application, modernize a legacy system, improve performance, integrate third-party services, or troubleshoot complex production issues, I can help you find the right technical solution. ━━━━━━━━━━━━━━━━━━━━ 🛠️ MY CORE EXPERTISE 🔹 .NET Backend & API Development - C#, .NET Core, modern .NET, ASP.NET Core, ASP.NET MVC, VB.NET - ASP.NET Web API, REST APIs, API integrations, and versioning - Entity Framework Core, LINQ, asynchronous programming - Clean Architecture, SOLID principles, Domain-Driven Design (DDD), and CQRS - Microservices and event-driven architecture 🎨 Full-Stack Web Development - React, Hooks, Redux, Context API - Angular, TypeScript, RxJS, NgRx - JavaScript, jQuery, AJAX, SignalR - HTML5, CSS3, Bootstrap, and SASS - Responsive interfaces, dashboards, reporting, and data grids ☁️ Cloud & Azure Development - Azure App Services and Azure Functions - Azure SQL Database and Azure Storage - Azure Key Vault and Azure Service Bus - Cloud application integration and deployment - Secure configuration and production troubleshooting 🗄️ Database Design & Performance Optimization - Microsoft SQL Server, PostgreSQL, MySQL, and SQLite - Complex SQL queries, stored procedures, and database design - Query optimization, indexing, and execution plan analysis - Entity Framework performance tuning - Transaction management and data integrity 🏢 Enterprise Applications & Legacy Modernization - C# and VB.NET WinForms applications - Legacy .NET application maintenance and modernization - Complex business logic and workflow automation - Third-party integrations and production issue resolution - Code refactoring, performance improvements, and system reliability 🛒 CMS & E-Commerce Development - nopCommerce plugins, themes, and integrations - Umbraco development and content management - DotNetNuke (DNN) modules and customizations - Sitefinity widgets, multisite implementations, and integrations ━━━━━━━━━━━━━━━━━━━━ 💡 WHAT YOU CAN EXPECT ✅ Scalable and maintainable application architecture ✅ Clean, readable, and production-ready code ✅ Secure APIs and reliable third-party integrations ✅ Performance-focused application and database optimization ✅ Thorough debugging and root-cause analysis ✅ Robust error handling and data integrity ✅ Clear communication and realistic project estimates ✅ Long-term technical support and ownership 🤝 WHY CLIENTS CHOOSE ME 🏆 Top Rated Plus freelancer on Upwork 💻 8+ years of software development experience ⚙️ Strong experience with enterprise applications and complex business workflows 🔧 Comfortable working with existing codebases and greenfield projects 📈 Focused on business outcomes, performance, and long-term maintainability 🤝 Committed to transparent communication and dependable delivery I don't just focus on making features work. I look at the bigger picture — application performance, architecture, security, edge cases, and future maintenance — to deliver solutions that solve real business problems without introducing unnecessary complexity. 📩 LET'S DISCUSS YOUR PROJECT Need an experienced .NET developer to build a new application, modernize an existing system, optimize a database, integrate APIs, or resolve a challenging technical issue? Send me a message with your requirements and goals. I'll help you evaluate the technical options and identify a practical, reliable solution for your business. 🚀 Let's build software that is scalable, secure, and built to last!