Usama Z.

✅ 300+ Clients Served Globally ✅ Scaled Systems: Ingestion pipelines syncing ~32,000 variants, and B2B portals handling $1.8M+ in sales (Warehoos). ✅ Live Mobile Apps: Published on App Store & Google Play (Kohinoor Fabric Library) and fintech (EZaka). ✅ Official Shopify App Store: Creator of published app "Data Feed Creator". Full-Stack Developer specializing in PHP / Laravel, Python / Django & Next.js web applications, custom WordPress & WooCommerce platforms, React Native mobile apps, and published Shopify apps. I engineer fast, secure digital products built for scale. HOW I WORK & ENGINEERING STANDARDS: Clients hire me when a platform fails under real production traffic, or when previous developers left messy technical debt. • Production-First: Clean relational schemas, indexed queries, and rate-limit-aware APIs that don’t crash under traffic spikes. • Zero-Risk Staging: Everything is built, tested, and verified on staging before touching live production. • Complete Ownership: I handle database design, backend logic, UI, APIs, and deployment end-to-end. • Best Fit: Serious founders and brands needing reliable software. (Not a fit for $300 quick hacks or race-to-the-bottom rates). SELECTED PRODUCTION BUILDS: 🔶 High-Performance WordPress & Institutional CMS • Stack: WordPress, PHP 8+, ACF Pro, Custom Post Types, MySQL, Caching & Security. • Outcome: 15+ years managing FC College portal (fccollege.edu.pk), automated venue onboarding on Retreat Venues, and verified 5.0★ Upwork delivery for AJAX diagnostics (Foundations Learning) and malware cleanup. 🔶 Automated Shopify Bulk Lifecycle & Ingestion Engine • Stack: Laravel, Shopify GraphQL Bulk API, MySQL, FTP/CSV Automation. • Outcome: Automated ingestion for ~32,000 variants across ~2,000 products, eliminating manual entry by 100% and scheduling weekly drops without bottlenecks. 🔶 Laravel 12 Modernization & Enterprise Inventory ERP • Stack: Laravel 12, PHP 8+, MariaDB, RBAC, Linux Server Infrastructure. • Outcome: Migrated legacy enterprise platforms to Laravel 12 with 20+ schema overhauls and zero downtime, governing multi-warehouse raw material cycles on high-uptime Linux servers. 🔶 Cross-Platform Mobile Apps & Fintech Systems • Stack: React Native, TypeScript, Firebase, RESTful APIs, WebSockets. • Outcome: Shipped live to App Store & Google Play (Kohinoor Fabric Library), built live video shopping with chat (Outfit App), and engineered fintech transaction workflows (EZaka — 175+ hours on Upwork). 🔶 Enterprise Cybersecurity SaaS & Data Pipelines • Stack: Python, Django, Microsoft Azure Data Factory, ETL Pipelines. • Outcome: Designed automated ETL pipelines via Azure Data Factory, mapping complex external threat feeds into relational models across 10+ custom ERDs. CORE TECHNICAL CAPABILITIES: • Web & SaaS: Next.js (App Router/SSR), React, TypeScript, Tailwind CSS, Vue.js, Node.js, multi-tenant SaaS. • Backend & APIs: Laravel, PHP 8+, Python, Django, RESTful APIs, GraphQL, MySQL, PostgreSQL, Redis, OAuth. • WordPress & CMS: Custom themes/plugins, ACF Pro, WooCommerce checkout flows, hooks/filters, malware removal, Core Web Vitals. • Mobile Apps: React Native, Expo, iOS & Android, Zustand/Redux, Firebase, offline storage. • Shopify Ecosystem: Custom Liquid themes, Shopify 2.0, published apps, Shopify Plus, Metafields. • DevOps & Cloud: Linux (Ubuntu/AlmaLinux), Apache/Nginx reverse proxy, systemd, CI/CD, Azure Data Factory, Stripe, webhooks. LET'S DISCUSS YOUR PROJECT: Send me your project brief, repository, or current store URL. I will review the architecture and reply with a clear, actionable roadmap and timeline. 📅 Available for select new builds and technical architecture projects. Keywords for Search Indexing: Full Stack Developer, Laravel Developer, Next.js Developer, WordPress Developer, WooCommerce Expert, React Native Developer, Shopify Developer, Shopify Plus, Shopify App Development, PHP Developer, Python, Django, REST API, GraphQL, Stripe Integration, Payment Gateway, WordPress Security, Malware Removal, Core Web Vitals, SaaS MVP, Mobile App Development, iOS, Android, Linux DevOps.