---
title: "Ahtsham Ul Haq (@shani014) | Hashnode"
description: "Building scalable backend systems, secure APIs, and production-ready web applications. Read the latest articles by Ahtsham Ul Haq on Hashnode."
url: "https://hashnode.com/@shani014"
---

@shani014

# Ahtsham Ul Haq

@shani014 · Lahore, Pakistan · Joined August 2026

Building scalable backend systems, secure APIs, and production-ready web applications.

### [How LLMs Actually Work: From Tokens to Transformers](https://shani-dev.hashnode.dev/how-llms-work-explained-for-beginners?utm_source=hashnode&utm_medium=feed)

What really happens when you hit send on ChatGPT? A beginner-friendly guide to LLMs, tokens, transformers, context windows, and temperature.

14 min read · [shani-dev.hashnode.dev](https://shani-dev.hashnode.dev/how-llms-work-explained-for-beginners?utm_source=hashnode&utm_medium=feed)

[Aug 4](https://hashnode.com/posts/how-llms-work-explained-for-beginners/6a71b4fe0edc77791992fded)