ls ~/production

Every system, explained

Problem, approach, outcome, and the architecture decisions with their tradeoffs. Filter stacks combine: pick two tags to see projects using both.

MongoDB Redis E-commerce ERP Fintech IoT Multi-tenant Payments Real-time SaaS Express Next.js Node.js React Socket.IO Vue.js AWS Cloudflare R2 Bash JavaScript Lua Python Pentesting Gemini API OneSignal Stripe Turf.js

PRJ-001 / platform

Offline-First Field Operations Platform

Delivery drivers work for hours with no connectivity, then sync. The hard problem is not the sync, it is what happens when the field and the office disagree.

Node.jsExpressPostgreSQLKafkaRedis

2026· source