Bolt.SH
An OpenStack-powered IaaS data center I designed and built, with VM orchestration, virtual networking, and load balancing that let teams self-serve infra.
Watch the walkthrough series →Principal Backend Engineer · Bangalore, India
Faiz Ahmed Farooqui
I build compliance-heavy backend infrastructure for regulated industries: secure, multi-tenant systems for fintech, healthcare, and SaaS. Think PCI-DSS payments, HIPAA data platforms, and audit-ready architecture on AWS and OpenStack. I write about the engineering behind it.
Featured work
GeekyAnts/express-typescript Production-ready Express + TypeScript boilerplate. My most widely adopted open-source project, used across 20+ production apps. ★ 1,259 ⑂ 322 GitHub → faizahmedfarooqui/nodejs A low-level Node.js web, API, and CLI app built entirely on Node's core APIs, with zero npm packages. ★ 21 ⑂ 1 GitHub → Project · GeekyAnts
Latest articles
ai-engineering
The Prompt Is Not the Product: A Realistic Mental Model for AI Agents
Recently I fed an AI agent a prompt that, stripped to its essence, said this: Build me an app people will pay for, and an AI agent that markets it for free. Make it so investable that Sequoia, a16z, SoftBank, Bessemer, Lightspeed, Kleiner P…
fintech
Idempotency Keys: How Stripe-Style APIs Prevent Double Charges
A customer taps "Pay." The request reaches your server, the charge succeeds, and then the response times out on the way back. The…
auth-and-identity
OAuth 2.0 and OIDC: A Backend Engineer's Guide to Login
Here is the question OAuth was invented to answer: how do you let an app do something on your behalf without handing it your passw…
auth-and-identity
Passkeys and WebAuthn: How Passwordless Login Actually Works
A password is a secret you and the server both know. That is the original sin of the whole scheme: because the server has to store…