Blog.

Build-in-public notes and interview-prep deep dives.

May 15, 2026build-in-publicaivoice-interview

The AI interviewer that remembers you — how Zaheen carries context across sessions

Zaheen, the AI interviewer in Interview Prep Academy, keeps a rolling profile of your strengths and weaknesses and follows up on what you actually said.

Read →

May 14, 2026build-in-publicpricingcloudflare

How an AI interview platform launched at $10/mo when LeetCode Premium is $35 — a full cost breakdown

What it cost to run an AI interview platform at launch in May 2026 (Cloudflare + Groq, zero VC), why each user cost under $1/mo, and what has changed since.

Read →

May 13, 2026interview-prepdata-analysisfaang

I analyzed 1,084 real interview questions from open-source repositories. They fall into five patterns.

Analysis of 1,084 real interview questions collected in MIT-licensed open-source repositories. The five patterns that show up over and over, and how to prepare for each.

Read →