Book 2 of 11 · The RAG Mastery Series
The Applied AI Engineer
Hybrid Search, BM25 Reranking, and Production RAG with Qdrant and RAGAS
Upgrade ShopBot with hybrid BM25 and dense retrieval, cross-encoder re-ranking, and Redis conversation memory. Close the vocabulary gap.
What's inside — and what you'll be able to build
Each chapter adds something your system can do that it couldn't do before.
- PrefacePrefaceFree
- Chapter 1Twenty-Two of Every Hundred
- Chapter 2Move Without Breaking Things
- Chapter 3Two Signals Are Better Than One
- Chapter 4The Third Result Was Right
- Chapter 5Two Halves of One Question
- Chapter 6ShopBot Finally Remembers
- Chapter 7Paying Twice for the Same Answer
- Chapter 8You Cannot Improve What You Do Not Measure
- Chapter 9Real Production
Ready to go deeper
This is where the system gets serious.
Hybrid search, LangGraph, multi-tenant deployment. ₹799/year — less than a single technical book.
Unlock the Full Series →The RAG Mastery Series
Core Books
Book 1
The AI Engineer
Book 2
The Applied AI Engineer
Book 3
The Senior AI Engineer
Book 4
The AI Solutions Architect
Companion Series
Companion 4 · Nov 2026
The Agentic AI Engineer
Companion 5 · Feb 2027
The Forward Deployed AI Engineer
Companion 6 · May 2027
The MCP Developer
Companion 7 · Aug 2027
The Context Engineer
Companion 8 · Nov 2027
The AI Guardrails Engineer
Companion 9 · Feb 2028
The AI Automation Engineer
Companion 10 · May 2028
The Cloud AI Engineer