A curated showcase of 18 live production platforms, distributed microservices, municipal systems, high-concurrency payment gateways, and open-source architectures engineered by Ali Abbas Shah.
Enterprise GoHighLevel Embedded SaaS & Real-Time Kanban Platform
Needed a fully embedded, white-label Kanban SaaS inside GoHighLevel iframes without CORS failures or JWT session collisions.
Next.js 14 App Router + Zustand optimistic UI rendered inside GHL iframe embeds. Laravel 11 API backend with RabbitMQ worker queues for real-time card movement via WebSocket channels. Redlock distributed locking on concurrent drag operations.
Zero session-collision failures across 500+ concurrent GHL accounts. Sub-120ms board render. Zero task loss via RabbitMQ retry queues.
Enterprise Spree Commerce & CyberSource Secure Acceptance Platform
UPenn LDC needed PCI-DSS compliant bulk licensing e-commerce without storing card data on their servers.
CyberSource Secure Acceptance hosted checkout (SOP) with HMAC-SHA256 order signing, idempotent webhook settlement, and row-level locking via SELECT FOR UPDATE.
PCI-DSS Level 1 compliant. 100% webhook idempotency across 5,000+ annual transactions. License delivery within 2 seconds of settlement.
Enterprise Multi-Portal Affiliate Tracking & Commission Management Platform
Needed multi-tenant affiliate portal with separate brand dashboards, real-time commission tracking, and Stripe Connect automated payouts across hundreds of affiliates.
Laravel 11 multi-tenant backend with schema-isolated PostgreSQL. React 18 dashboard with real-time click/conversion telemetry. Stripe Connect Express split-payment routing.
Processing commissions across 300+ affiliate accounts. Sub-50ms dashboard load via Redis caching. Zero double-payments through idempotent Stripe event processing.
Supreme Court of Jammu & Kashmir - Judicial Search & Case Management System
Attorneys needed sub-second full-text search across 100,000+ case records with multi-attribute filtering.
Elasticsearch 8.x inverted index cluster with custom edge n-gram tokenizers. Laravel API gateway with compound query DSL. React 18 search UI with debounced instant-search.
Sub-45ms full-text search across 100K+ judicial records. 99.97% search uptime. Handles 500+ concurrent search queries.
Enterprise Multi-Tenant E-Commerce Cloud Platform
Required horizontally scalable multi-tenant e-commerce platform without infrastructure provisioning delays or tenant data leakage.
Laravel multi-tenant architecture with row-level tenant isolation. AWS EKS Kubernetes with Horizontal Pod Autoscalers and RDS Aurora read replicas. Zero-downtime rolling deployments.
Supports 200+ active merchant storefronts. Auto-scales from 2 to 20 pods during peak traffic. 99.95% uptime SLA.
Social Discovery & Recommendations Platform - 1M+ Active Users
Social platform at 1M+ users hitting Redis cache invalidation storms and push notification delivery failures at scale.
Redesigned caching layer with tag-based Redis invalidation. Node.js cluster workers with PM2. Migrated push notifications to SNS topic fan-out with SQS dead-letter queues.
Eliminated cache stampede incidents. P95 latency reduced from 1,200ms to 180ms. Push notification delivery rate improved from 87% to 99.4%.
Real-Time Reservation & Point-of-Sale System with Atomic Concurrency Control
Campground sites being double-booked during concurrent reservation requests across multiple terminal workstations.
Row-level locking via SELECT ... FOR UPDATE on reservation records. Optimistic UI with server-confirmed slot availability. Stripe Terminal integration for POS transactions.
Zero double-booking incidents since deployment. Sub-200ms POS transaction confirmation. Handles 50+ concurrent reservation requests without conflicts.
Real-Time WebSocket Chat with Presence & Message Persistence
Needed production-grade real-time chat with typing indicators, online presence, and message delivery guarantees.
ActionCable WebSocket channels with Redis Pub/Sub for multi-server message broadcasting. PostgreSQL message persistence. React frontend with optimistic message rendering.
Sub-50ms message delivery. 99.9% message delivery guarantee. Supports 1,000+ concurrent WebSocket connections per server.
Enterprise Property Inspection & Compliance Reporting Platform
Property inspection company needed automated compliance report generation, inspector scheduling, and client portal access with PDF delivery.
Laravel backend with dynamic PDF report generation via DomPDF. Inspector scheduling system with conflict detection. AWS S3 secure document storage with pre-signed URL delivery.
Automated 100% of inspection report delivery. Reduced report turnaround from 48h to under 2h. Zero document access violations through pre-signed URL expiry.
European Educational Platform & LMS Integration
Needed a multi-language educational platform with course enrollment, payment processing, and LMS content delivery for European markets.
Custom WordPress theme with WooCommerce course product types integrated with LearnDash LMS. Custom PHP enrollment management plugin with automated student onboarding.
Serving students across 5 European countries. Automated enrollment processing for 500+ course registrations monthly.
Custom WooCommerce B2B Medical Devices E-Commerce Platform
Medical device company needed tiered B2B pricing, bulk order discounts, and custom checkout flow not available in standard WooCommerce.
Custom OOP PHP WooCommerce extension with dynamic role-based pricing tiers, minimum order quantity enforcement, and custom Stripe payment gateway integration.
Reduced B2B quote processing from 3 days to instant. Handles 200+ monthly bulk medical device orders with automated invoicing.
Dutch Enterprise WooCommerce Distribution & Inventory Platform
Dutch distribution company needed WooCommerce integrated with iDEAL payment gateway and real-time warehouse inventory synchronization.
Custom WooCommerce Mollie iDEAL payment gateway integration with webhook settlement. Custom inventory sync plugin with REST API connections to warehouse management system.
Processing 300+ daily orders with iDEAL. Real-time inventory sync with <5 second latency. Zero oversell incidents after inventory locking implementation.
Enterprise Islamic Publications E-Commerce & Global Distribution
Global Islamic publisher needed multi-currency e-commerce with Magento 2, international tax compliance, and PayPal cross-border payment routing.
Custom Magento 2 XML architecture with multi-currency price rules, PayPal REST API integration for international routing, and Elasticsearch product search indexing.
Serving customers across 40+ countries. Multi-currency checkout for 15 currencies. Elasticsearch product search with sub-100ms query times across 10,000+ SKUs.
High-Volume Arabic-First E-Commerce & Logistics Integration
Saudi retail enterprise needed Arabic-first e-commerce platform with local payment gateway integration and Aramex shipping logistics automation.
Laravel 10 backend with React 18 RTL-first frontend. Saudi local payment gateway (MADA, STCPay) integration. Aramex shipping API with automated label generation and tracking.
Supporting 1,000+ daily Arabic-first transactions. Automated shipping label generation for 100% of orders. Full RTL layout with Arabic font optimization.
Enterprise Software Consulting & Custom Development Agency Platform
Software consulting firm needed a client portal for project tracking, invoice management, and automated Slack/Jira synchronization.
Laravel 11 REST API with Next.js client portal. Stripe invoicing integration with automated payment reminders. Jira API bidirectional sync and Slack webhook notifications.
Reduced invoice collection time by 60%. Automated 100% of project status updates to clients. Zero missed payment reminders through automated Stripe dunning.
White-Label Affiliate Network with Multi-Brand Portals & Automated Payouts
Affiliate network needed isolated white-label portals per brand client with separate tracking pixels, commission structures, and payout schedules.
Multi-tenant Laravel architecture with subdomain-per-brand routing. React 18 custom dashboard builder. Stripe Connect multi-party payouts with automated weekly commission disbursement.
Supporting 15+ brand portals on single infrastructure. Automated weekly payouts to 500+ affiliate partners. Sub-80ms dashboard renders via Redis caching.
Enterprise CMS Migration Projects with 100% SEO Preservation
Multiple clients with Wix Velo sites or legacy WordPress installs needed migration to modern WordPress with 100% SEO redirect preservation and zero downtime.
Automated crawl-based URL mapping, WP-CLI bulk content import, and .htaccess 301 redirect generation. Custom PHP data transformation scripts for content structure normalization.
100% SEO redirect coverage maintained post-migration. Zero ranking drops across all migration projects. Sub-48h migration turnaround for sites up to 500 pages.
Open-Source Ruby on Rails Content Management System
Needed a lightweight, developer-first CMS built on Rails with Hotwire reactivity, no JavaScript framework bloat, and an Airtable-like content modeling interface.
Rails 7 with Hotwire Turbo for SPA-like navigation without full React bundle. Custom ActiveStorage content blocks. Stimulus controllers for dynamic content editing UI.
Sub-50ms TTFB with Rails page caching. 100% server-rendered with progressive JS enhancement. Fully open-source and available on GitHub.
I partner with engineering teams and founders to deliver scalable software, mission-critical APIs, and high-concurrency payment platforms.