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 design and scale cloud-native, multi-tenant systems across fintech, healthcare, and SaaS: secure payments, real-time platforms, and backend 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. ★ 1,260 ⑂ 324 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
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 password? You want a photo printing service to read your Google Photos, but you do not want to give it your Google…
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…
ai-engineering
How I Actually Use AI to Ship Code: Context Engineering Over Clever Prompts
The last post in this series was about what not to feed an AI: keep your secrets out of the prompt. This one is the other half of…
scaling-javascript-nodejs
The HTTP QUERY Method: GET With a Body, in Node.js and NestJS
If you have ever built a search or filter endpoint, you have made this uncomfortable choice. Use GET, and your complex filter obje…