GHX
GHX is the connective tissue between hospitals and medical suppliers — purchase orders, invoices, and inventory tracking at huge transaction volume. The legacy workflow ran on manual data entry, fragmented ERP pricing sync, slow invoice matching, and no real-time visibility into fulfillment.
- Client
- Global Healthcare Exchange (GHX)
- Industry
- Healthcare supply chain, HealthTech & FinTech e-commerce
- Platform
- Web app — enterprise SPA, buyer/supplier dashboards, API integration layer
- Languages
- JavaScript/TypeScript, PHP, SQL
Tech Stack
The Project
GHX serves as the connective tissue between healthcare providers — hospitals, health systems — and medical suppliers and distributors. Their core platform handles huge transaction volumes, from purchase orders and invoices to inventory tracking. The legacy workflow suffered from manual data entry friction, fragmented pricing sync across disparate ERPs, slow invoice matching, and a lack of real-time visibility into order fulfillment.
To handle high-concurrency requests while keeping a modern, responsive UI, a decoupled SPA architecture was chosen: a React frontend for a fast, reactive interface across complex dashboard controls, multi-step purchase orders, and real-time status updates without full-page reloads; a Laravel/PHP API backend for clean REST endpoints, robust ORM database queries, built-in queue processing, and reliable EDI/ERP integrations; and an AWS and Redis pipeline where asynchronous message queueing through SQS ensured high-volume batch transactions — catalog updates, invoice reconciliation — ran in the background without blocking UI performance.
Deliverables
What I Built
Dynamic Order & Invoice Dashboard
An enterprise dashboard giving buyers and suppliers immediate visibility into order statuses, pending approvals, discrepancy flags, and automated match rates.
RESTful API Integration Engine
A secure, scalable API layer bridging GHX's cloud platform with external hospital and manufacturer ERP systems, such as Workday, SAP, or Infor.
Real-Time Event & Notification Pipeline
Asynchronous messaging powered by SQS and WebSockets/webhooks, dispatching instant notifications for stock shortages, PO approvals, and price shifts.
Automated Catalog & Pricing Sync
A batch-processing module that normalizes, validates, and syncs thousands of SKU items and contract pricing agreements simultaneously.
Role-Based Access Control & Audit Logging
Multi-tenant authorization complying with strict healthcare data security standards, with granular access for procurement officers, vendors, and finance admins.
Results
Business Impact
80%+ Automation in Order Processing
Digitized manual purchase order and invoice workflows, eliminating paper and fax processing and dramatically shortening the order-to-pay cycle.
Sub-Second API Response Under Heavy Load
Redis caching and asynchronous event queues let the backend handle high transaction volumes with optimal response times during peak business hours.
Cost Savings & Error Reduction
Automated discrepancy checks prior to submission reduced billing mismatches and misrouted orders, contributing directly to operational cost reductions across the provider network.