Backend Development using ASP.NET Core
Board InfinityWhere I applied this knowledge
Projects
YallaBaytak - Multi-Role Real Estate Operating Platform
Real estate operating system featuring multi-role workflows, WhatsApp alerts, and geospatial mapping in Cairo & Giza.
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Yllah — Private Travel Club & Concierge Booking Platform
A membership-based private travel club combining curated luxury hotel discovery, protected member pricing, structured booking requests, and a dedicated concierge-led travel operation.
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Shoprimo - Full-Stack E-Commerce Platform
A full-stack e-commerce marketplace built with Next.js App Router, Express, Prisma ORM, MongoDB, Redux Toolkit cart state, and idempotent Stripe payment webhooks.
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Articles
JWT Authentication in Production: Access Tokens, Refresh Token Rotation & Revocation
Architecting secure stateless authentication: token structure, HTTP-only cookie storage against XSS/CSRF, automated rotation family tracking, and Redis blacklisting.
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Designing Secure Password Reset & OTP Verification: Timing Attacks, Rate Limits & State
Architecting bulletproof password recovery: secure token hashing, timing attack mitigation with timingSafeEqual, OTP brute-force limits, and single-use invalidation.
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CORS Deep Dive: Why the Browser Sends Preflight OPTIONS and How to Fix It
Demystifying Cross-Origin Resource Sharing: Same-Origin Policy, simple vs preflighted requests, credentials mode, and secure server headers.
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