Mustafa Muhammad N.

I am a Full Stack .NET Developer with expertise in ASP.NET Core, Kentico Xperience, Umbraco CMS, React, Blazor, Vue.js, and SQL Server. With 15+ years of experience and 16,000+ successful Upwork hours, I build scalable, secure, and high-performance enterprise web applications and CMS solutions. I specialize in delivering complete solutions — from backend architecture and database design to CMS implementation and modern frontend development. ✅ Core Services Backend & API Development ASP.NET Core MVC / Web API development RESTful API design & third-party integrations Authentication & authorization systems Custom business logic development SQL Server database design & performance optimization CMS Development Kentico Xperience implementation & customization Umbraco CMS development, upgrades & migrations Custom modules, widgets & extensions eCommerce & marketing automation setup Enterprise integrations & performance tuning Frontend Development React.js application development Vue.js SPA development Blazor Server & Blazor WebAssembly development Component-based UI architecture API integration with modern frontend frameworks Responsive, scalable, and optimized UI solutions 🚀 Technical Stack ASP.NET Core • C# • MVC • Web API • Blazor Kentico Xperience • Umbraco CMS React • Vue.js • JavaScript SQL Server • Azure • AWS • Git • CI/CD 💡 Why Clients Work With Me ✔ Enterprise-level full stack expertise ✔ Clean architecture & scalable solutions ✔ Strong debugging & performance optimization ✔ Professional communication & reliable delivery ✔ Long-term technical partnership mindset If you're looking for a senior Full Stack .NET developer who can handle backend systems, CMS platforms, and modern frontend frameworks — let's connect and discuss your project.