---
title: "Rahul Dubey (@D-eviloper) | Hashnode"
description: "Developer | Artist | Blogger. Read the latest articles by Rahul Dubey on Hashnode."
url: "https://hashnode.com/@D-eviloper"
---

@D-eviloper

# Rahul Dubey

@D-eviloper · Bengalore,India · Joined May 2021

Developer | Artist | Blogger

### [Understanding Large Language Models: What You Need to Know](https://deviloper.in/understanding-large-language-models?utm_source=hashnode&utm_medium=feed)

Understand large language models (LLMs), their core concepts, transformers, training methods, practical use cases in AI applications.

24 min read · [deviloper.in](https://deviloper.in/understanding-large-language-models?utm_source=hashnode&utm_medium=feed)

[Dec 19, 2025](https://hashnode.com/posts/understanding-large-language-models/694553f7e95aebb40eefe389)

### [What is Prompt Engineering? A Complete Introduction](https://deviloper.in/what-is-prompt-engineering-complete-guide?utm_source=hashnode&utm_medium=feed)

Learn prompt engineering from scratch in 2025. Discover what it is, why it matters, and how to craft effective AI prompts. Complete guide with examples, ter

15 min read · [deviloper.in](https://deviloper.in/what-is-prompt-engineering-complete-guide?utm_source=hashnode&utm_medium=feed)

[Dec 19, 2025](https://hashnode.com/posts/what-is-prompt-engineering-complete-guide/694546651b115350e040e481)

### [Anatomy of a Great Prompt: Getting the Most Out of Generative AI](https://deviloper.in/anatomy-of-a-great-prompt-getting-the-most-out-of-generative-ai?utm_source=hashnode&utm_medium=feed)

Unlock the full potential of Generative AI with expert prompt engineering! Learn the key elements of a great prompt, practical real-world examples, and tech

4 min read · [deviloper.in](https://deviloper.in/anatomy-of-a-great-prompt-getting-the-most-out-of-generative-ai?utm_source=hashnode&utm_medium=feed)

[Dec 17, 2025](https://hashnode.com/posts/anatomy-of-a-great-prompt-getting-the-most-out-of-generative-ai/6942a990add627ccebe28ae7)

### [Introduction to GenAI and Prompt Engineering](https://deviloper.in/introduction-to-genai-and-prompt-engineering?utm_source=hashnode&utm_medium=feed)

Discover how Generative AI works, why prompt engineering is essential, and how to communicate effectively with AI tools. Learn the secrets behind GenAI, rea

8 min read · [deviloper.in](https://deviloper.in/introduction-to-genai-and-prompt-engineering?utm_source=hashnode&utm_medium=feed)

[Dec 17, 2025](https://hashnode.com/posts/introduction-to-genai-and-prompt-engineering/6942a4c0d2d6cd8c21f38284)

### [Why Every Developer Should Track Their Daily Routine](https://deviloper.in/why-every-developer-should-track-their-daily-routine?utm_source=hashnode&utm_medium=feed)

Boost productivity and stay focused as a developer with the 404: Motivation Not Found Journal. Track tasks, code time, mood, and more—designed for coders wh

3 min read · [deviloper.in](https://deviloper.in/why-every-developer-should-track-their-daily-routine?utm_source=hashnode&utm_medium=feed)

[Jun 1, 2025](https://hashnode.com/posts/why-every-developer-should-track-their-daily-routine/683c8b12923777971606c60d)