---
title: "Amitabh (@prepd-tech) | Hashnode"
description: "Amitabh (@prepd-tech) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@prepd-tech"
---

@prepd-tech

# Amitabh

@prepd-tech · Joined April 2026

### [How to Review and Push Back on AI-Generated Code and System Designs](https://prepd.hashnode.dev/how-to-review-and-push-back-on-ai-generated-code-and-system-designs?utm_source=hashnode&utm_medium=feed)

AI assistants now write a large share of first drafts: functions, tests, even whole architecture proposals. That changes what makes an engineer valuable. Producing code is cheap. Knowing when the AI's

6 min read · [prepd.hashnode.dev](https://prepd.hashnode.dev/how-to-review-and-push-back-on-ai-generated-code-and-system-designs?utm_source=hashnode&utm_medium=feed)

[2d ago](https://hashnode.com/posts/how-to-review-and-push-back-on-ai-generated-code-and-system-designs/6af072da7f945847fea3c148)

### [From One Server to Many: What Each Scaling Step Fixes, and What It Breaks](https://prepd.hashnode.dev/from-one-server-to-many-what-each-scaling-step-fixes-and-what-it-breaks?utm_source=hashnode&utm_medium=feed)

Most system design answers jump straight to the final architecture. Interviewers are more interested in the path: what broke at each stage, which change fixed it, and what that change made harder. Her

3 min read · [prepd.hashnode.dev](https://prepd.hashnode.dev/from-one-server-to-many-what-each-scaling-step-fixes-and-what-it-breaks?utm_source=hashnode&utm_medium=feed)

[2d ago](https://hashnode.com/posts/from-one-server-to-many-what-each-scaling-step-fixes-and-what-it-breaks/6af06f526bd10e54d995b180)

### [Why I kept failing system design interviews even after reading Alex Xu — and what actually fixed it](https://prepd.hashnode.dev/why-i-kept-failing-system-design-interviews-even-after-reading-alex-xu-and-what-actually-fixed-it?utm_source=hashnode&utm_medium=feed)

I want to tell you something nobody told me before my system design interviews. I spent three months preparing. Read Alex Xu's book cover to cover. Watched every Gaurav Sen video. Studied consistent h

6 min read · [prepd.hashnode.dev](https://prepd.hashnode.dev/why-i-kept-failing-system-design-interviews-even-after-reading-alex-xu-and-what-actually-fixed-it?utm_source=hashnode&utm_medium=feed)

[Apr 8](https://hashnode.com/posts/why-i-kept-failing-system-design-interviews-even-after-reading-alex-xu-and-what-actually-fixed-it/69d67290707c1ce7684bb0fe)