Muhammad Saad Z.

Need a reliable full-stack developer to build, improve, or maintain a modern web application? I’m a **Senior Full-Stack Developer** specializing in **C#, .NET, ASP.NET Core, Web APIs, React, Angular, Next.js, TypeScript, JavaScript, and SQL Server**. I build scalable web applications, business systems, APIs, dashboards, integrations, and custom software tailored to real business requirements. ### What I can help you with **Backend & .NET** • C# development • ASP.NET Core • .NET Web APIs • RESTful API development • SQL Server & database development • Entity Framework • Authentication & authorization • Backend architecture • Legacy .NET application modernization • Bug fixing and performance optimization **Frontend** • React.js • Next.js • Angular • TypeScript • JavaScript • Responsive web applications • Admin dashboards • Business management systems • API integration • Reusable UI components **Full-Stack Development** • Complete web application development • Frontend + backend integration • REST API integration • Database design and integration • Authentication and role-based access • Third-party API integrations • Existing application improvements • Performance optimization • Code refactoring and modernization ### Why work with me? I focus on building software that is **clean, maintainable, scalable, and easy to extend**. I can work on both existing applications and new projects, whether you need a feature added, a difficult bug fixed, an API developed, or an entire application built from the ground up. I take time to understand the requirements and existing architecture before development, communicate clearly throughout the project, and focus on delivering practical solutions rather than unnecessary complexity. If you have an existing application that needs improvement or an idea that needs to be turned into a working product, **send me the details and let's discuss it.**