Writing

Architecture decisions, technical deep-dives, and things I've learned.

Dec 15, 20244 min read

Building a POS System with NestJS: Architecture Decisions

How I designed and built a production Point of Sale system using NestJS, MongoDB, and Redis — covering real-time inventory, multi-payment handling, and the lessons learned.

NestJSArchitectureMongoDBPOS

Nov 20, 20244 min read

Integrating JoFotara: Jordan's National E-Invoicing System

A practical guide to integrating with Jordan's JoFotara e-invoicing system — XML generation, digital signing, QR codes, and the gotchas nobody warns you about.

NestJSJordanE-InvoicingIntegration