C

Chan MG

Engineer · Architect · Builder

I'm an engineer building multi-product SaaS platforms. Most of my work lives at the intersection of system architecture, developer infrastructure, and product engineering — the messy middle where technical decisions meet real-world scale.

Currently working on Positeasy, FoodBojo, and Payiteasy — three independent products sharing a common identity layer. Most of what I write here comes directly from decisions we've made, mistakes we've recovered from, and patterns that actually worked in production.

What I write about

Auth & Identity System Architecture SaaS Design Node.js PostgreSQL Redis AWS Multi-tenancy

I write slowly and only when I have something worth saying. No filler posts, no tutorial rehashes — just hard-won decisions and the reasoning behind them.