System Design Interview — Volume 2

From knowing the concepts to designing real-world systems

You learned the fundamentals in Volume 1. Now it’s time to apply them.

Volume 2 takes you from “I know what a load balancer is” to “I can design systems like WhatsApp, Zomato, and Uber from scratch.”

This book focuses on complete system design walkthroughs — exactly the way you’re expected to approach and present a system design interview.

📚 What’s Inside

Part 4 — Distributed System Patterns

Master the patterns used to build reliable, scalable distributed systems:

→ Outbox Pattern — Solve the dual-write problem

→ Saga Pattern — Handle distributed transactions across microservices

→ CQRS — Separate reads and writes for better scalability

→ Event Sourcing — Store every change with a complete audit trail

→ Circuit Breakers — Prevent cascading failures across services

Part 5 — Design Real-World Systems

Go beyond theory with end-to-end system design walkthroughs:

→ URL Shortener — Base62, caching, and scaling to billions of URLs

→ WhatsApp — WebSockets, E2E encryption, and Erlang at scale

→ Zomato — Geospatial matching, Kafka, and real-time tracking

→ Uber — H3 grids, surge pricing, and millions of location updates/sec

→ Notification System — Priority queues and multi-channel delivery

→ Rate Limiter — Token bucket and distributed Redis

→ Social Media Feed — Fan-out strategies and ML-based ranking

Part 6 — System Design Interview Toolkit

Everything you need to approach system design interviews with confidence:

→ 5-Step Framework for tackling ANY system design question

→ 10 Common Mistakes candidates make — and how to avoid them

→ 5 Cheat Sheets covering building blocks, patterns, databases, latency, and CAP

→ 50 Most Asked System Design Questions with hints to help you practice

🎯 Every Chapter Includes

• Clear architecture diagrams
• Real-world examples
• Interview-focused explanations
• Common follow-up questions
• Deep dives into important design decisions
• Scalability and bottleneck discussions

👨‍💻 Who Is This For?

This book is ideal for:

→ Developers preparing for SDE-2, SDE-3, or Senior Engineer interviews

→ Anyone who has completed Volume 1 and wants to put the concepts into practice

→ Developers who understand individual concepts but struggle with complete system designs

→ Engineers preparing for system design rounds at product-based companies

🚀 What Makes This Different?

Real systems, not just theory

Learn by designing systems inspired by WhatsApp, Zomato, Uber, Instagram, and more.

Interview-style walkthroughs

Follow the same flow used in real interviews:

Requirements → Scale → High-Level Design → Deep Dive → Bottlenecks → Trade-offs

Everything in one place

50 of the most commonly asked system design questions, interview frameworks, cheat sheets, patterns, and complete system designs.

Written from real interview experience

Created by a 7-year backend engineer who has been on both sides of the interview table.

📌 Prerequisite

Volume 1 — Fundamentals is recommended, but not required if you already understand the basics of system design.

📦 What's Included

Format: PDF — Instant Download

Pages: 57

Chapters: 16

Level: Intermediate → Advanced

Focus: System Design + Distributed Systems + Interviews