Ahmed R

Freelancer

Freelancer.com • Freiberufler

Apr 2025 - Present • 1 yr 6 mos

Full-Stack Developer | Freelance Contract 2025 – 2026 Focus: SaaS Enterprise Solutions & Multi-Tenant Platforms Technologies: C# .NET 10, ASP.NET Core Web API, EF Core, SQL Server, ASP.NET Core Identity, Angular, React.js Multi-Tenant LMS Platform: Designed and deployed a production-ready educational web platform supporting scalable architectures and 3 discrete user roles (.NET 10, EF Core, SQL Server). 3-Tier Dynamic RBAC Integration: Engineered an isolated authentication and role-based authorization security schema partitioning Super Admin, Instructor, and Student actions utilizing ASP.NET Core Identity. Super Admin Analytics Center: Constructed a centralized financial and management dashboard tracking operational Key Performance Indicators (KPIs) including student metrics, lecturer enrollment data, total platform revenue, and course catalog distributions. Instructor Operations Portal: Developed modular CRUD utilities allowing lecturers to publish custom course materials, stream lectures, modify configurations, and monitor reactive student feedback. AJAX-Powered Student Interface: Created a high-fidelity interactive user layout featuring zero-refresh course enrollment, smooth dynamic searching, pagination filters, progress mapping, and persistent asynchronous course grading engine. Premium Front-End Experience: Implemented a responsive, accessibility-compliant user experience employing cutting-edge Glassmorphism aesthetics, fluid responsive layouts, and automatic toggleable dark/light themes. Secure Media Optimization: Engineered robust backend file pipelines supporting real-time server upload, asset sanitization, and structured storage schemas for course thumbnails and media attachments.