Shaheen E-Commerce.

Solo-rescued a live multi-vendor marketplace in a 30-day ownership sprint — **214 master commits (100% ownership), 125,000+ lines across 1,117 files, 40+ PRs, 29 issues closed.**

Delivered end-to-end across the full stack — Livewire 3 Volt components, Filament 4 admin resources, Blade templates, Alpine.js, and Tailwind v4:

- **Double VAT Leak:** Identified and purged a redundant 14% VAT overcharge in `ShippingRateService::vatFor()` that was silently bleeding client revenue. - **Checkout Pipeline:** Re-architected a broken P0 Paymob checkout flow into strict DB transactions, unblocking the revenue pipeline. - **Ops Rescue & Drift Checking:** Resolved a critical HTTP 500 deploy outage caused by 13,427 divergent server-edited lines. Deployed a 6-workflow CI/CD pipeline and a nightly server-to-repo drift checker with automated WhatsApp queue alerts. - **Security:** Eliminated a P0 CSRF 419 error on logouts via event-delegation token refresh, dropping failure rates from 3 retries to first-click success. - **Scale:** Filament admin panel manages 140+ resources across Admin and Vendor panels. - Enterprise SEO: 10 JSON-LD schemas, dynamic meta titles/descriptions, image sitemaps, multi-language hreflang routing - Unmet demand tracking (OOS restock notifications + search-not-found capture), WhatsApp click tracking across 6 surfaces - Multi-region shipping rate matrix (27 governorates, 4 size tiers, vendor-split) and intelligent tire-size cross-reference engine (2 up / 2 down) - Google OAuth via Socialite, email verification via Resend with branded dark-mode templates, saved delivery addresses, avatar crop/zoom/rotate