Ranjan Kumar
AI & ML Engineer · Author · Educator
I help AI builders design, build, and ship production-grade systems that actually work — through hands-on writing, books, and practical engineering guides.
Latest Posts
View all →Designing User Experience for Agentic AI Systems
A team I know built a genuinely impressive research agent. It could search the web, pull documents, synthesize findings, and write a structured report — all fro...
Agentic AIDesigning Agentic AI Systems That Survive Production
Here's a failure mode I've seen repeatedly: a team builds an impressive agentic demo. The agent browses the web, writes code, calls APIs, and chains five steps ...
agentic-ai5 Principles for Building Production-Grade Agentic AI Systems
Your agent demo was impressive. Smooth tool calls, correct outputs, clean reasoning traces. You showed it to the team. Everyone was excited. You shipped it to p...
agentic-aiThe 7 GenAI Architectures Every AI Engineer Should Know
>*Most GenAI systems fail not because the model is wrong — but because the architecture around it was chosen without a framework.* >*Teams jump to agents, bo...
My Books
The ChatML Handbook
Structured Prompting & LLM Conversations
Learn how to structure prompts using ChatML for predictable, production-ready LLM behavior.
Building Real-World Agentic AI Systems
From Prototypes to Production
A practitioner's guide to designing, deploying, and operating reliable agentic AI systems in the real world.
My Toolkit
A collection of tools I've built to boost productivity and simplify workflows.
Developer & AI Tools
MedhaV - मेधावी
Start every day with clarity
Imagelly
AI-Based SaaS Image Edit/Enhancement Tool
Mermaid Diagram Generator
Create flowcharts, sequence diagrams, and more
MermAniSt — Mermaid Animation Studio
Turn Mermaid diagrams into animated presentations
LinkedIn Text Formatter
Format your LinkedIn posts with bold, italic, and more
MarkMelon: Markdown Editor
Edit, generate docs from Markdown and more
Slides Creator from Markdown
Generate beautiful presentations from Markdown
What I Write About
AI & ML Engineering
Production-ready AI systems, LLMs, and machine learning deployment strategies.
System Design
Scalable architectures, distributed systems, and infrastructure for AI applications.
Real-World Projects
Case studies, lessons learned, and practical insights from production deployments.