AIArif Iqbal
HomeAboutExperienceProjectsBlogContact
Get in touch

Writing

Blog

I write about backend architecture, Node.js, and building scalable systems. Technical deep-dives with real code.

FeaturedBackend Architecture

Feature Toggles: A Backend Engineer's Complete Guide

How to design, implement, and retire feature toggles in a NestJS/Node.js backend — covering toggle types, PostgreSQL + Redis storage, NestJS decorators, gradual rollouts, and avoiding the toggle graveyard.

Apr 14, 2026·12 min read
Backend Architecture

Feature Toggles: A Backend Engineer's Complete Guide

How to design, implement, and retire feature toggles in a NestJS/Node.js backend — covering toggle types, PostgreSQL + Redis storage, NestJS decorators, gradual rollouts, and avoiding the toggle graveyard.

Apr 14, 2026·12 min read
nestjsnode.jsarchitecture
Backend Architecture

Multi-Tenant SaaS: 4 Database Isolation Strategies Compared

A deep dive into schema-per-tenant, database-per-tenant, row-level security, and shared schema approaches with real PostgreSQL examples.

Mar 24, 2026·4 min read
postgresqlsaasarchitecture

Stay in the loop

Get my technical deep-dives in your inbox. No spam, unsubscribe anytime.

Built by Arif Iqbal — 2026