Handbook · Free

The GenAI Engineering Handbook

A free, practical handbook by Vinay C, from GenAI fundamentals to senior-level system design. Short lessons written from production work and real interview loops: what to build, how to measure it, and the one line worth saying out loud.

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Every lesson ends with a summary you can say in an interview.
Optional quizzes after each unit to check yourself.

GenAI · 14 lessons · 47 min

GenAI Engineering

RAG that actually works, how to measure it, and agents that survive production: the corrections and one-liners worth saying out loud.

Make RAG work · 4 lessons
Measure it · 3 lessons
Build agents · 4 lessons
Customize and ship · 3 lessons

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System design · 28 lessons · about 3 hours

System Design Interview

Run the interview, pick the data layer, keep data correct, survive failure and lock it down, in the words a senior engineer uses.

Run the interview · 4 lessons
Design it end to end · 5 lessons
Pick the data layer · 5 lessons
Keep data correct · 6 lessons
Survive load and failure · 4 lessons
Lock it down · 4 lessons

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New to AI engineering?

The handbook assumes you can already build backend systems. If you want the order to learn things in, start with the GenAI Engineer Roadmap, or browse the longer notes.