Node.js + Express — custom REST/GraphQL APIs
PostgreSQL + Redis — tenant-isolated databases
PM2 + Nginx — zero-downtime deployments
Cloudflare R2 — automated encrypted backups
WhatsApp Automation — reminders, alerts, real-time triggers
Auth Systems — signup/login, RBAC, JWT, SHA256
React/Next.js — modular SPA, lazy loading
SEO Optimized —
Schema.org, OG tags, Core Web Vitals
Socket.io real-time, Telegram bots, GST billing, multi-tenant architecture