The system design interview is one of the hardest challenges you’ll face in the software engineering hiring process. This practical book gives you the insights, the skills, and the hands-on practice you need to ace the toughest system design interview questions and land the job and salary you want.

In

Acing the System Design Interview

you will master a structured and organized approach to present system design ideas like:

Scaling applications to support heavy traffic

Distributed transactions techniques to ensure data consistency

Services for functional partitioning such as API gateway and service mesh

Common API paradigms including REST, RPC, and GraphQL

Caching strategies, including their tradeoffs

Logging, monitoring, and alerting concepts that are critical in any system design

Communication skills that demonstrate your engineering maturity

Don’t be daunted by the complex, open-ended nature of system design interviews! In this in-depth guide, author Zhiyong Tan shares what he’s learned on both sides of the interview table. You’ll dive deep into the common technical topics that arise during interviews and learn how to apply them to mentally perfect different kinds of systems.

Foreword by Anthony Asta, Michael D. Elder.

About the technology

The system design interview is daunting even for seasoned software engineers. Fortunately, with a little careful prep work you can turn those open-ended questions and whiteboard sessions into your competitive advantage! In this powerful book, Zhiyong Tan reveals practical interview techniques and insights about system design that have earned developers job offers from Amazon, Apple, ByteDance, PayPal, and Uber.

About the book

Acing the System Design Interview

is a masterclass in how to confidently nail your next interview. Following these easy-to-remember techniques, you’ll learn to quickly assess a question, identify an advantageous approach, and then communicate your ideas clearly to an interviewer. As you work through this book, you’ll gain not only the skills to successfully interview, but also to do the actual work of great system design.

What's inside

Insights on scaling, transactions, logging, and more

Practice questions for core system design concepts

How to demonstrate your engineering maturity

Great questions to ask your interviewer

About the reader

For software engineers, software architects, and engineering managers looking to advance their careers.

About the author

Zhiyong Tan

is a manager at PayPal. He has worked at Uber, Teradata, and at small startups. Over the years, he has been in many system design interviews, on both sides of the table.

The technical editor on this book was

Mohit Kumar

.

Table of Contents

PART 1

1 A walkthrough of system design concepts

2 A typical system design interview flow

3 Non-functional requirements

4 Scaling databases

5 Distributed transactions

6 Common services for functional partitioning

PART 2

7 Design Craigslist

8 Design a rate-limiting service

9 Design a notification/alerting service

10 Design a database batch auditing service

11 Autocomplete/typeahead

12 Design Flickr

13 Design a Content Distribution Network (CDN)

14 Design a text messaging app

15 Design Airbnb

16 Design a news feed

17 Design a dashboard of top 10 products on Amazon by sales volume

Appendix A Monoliths vs. microservices

Appendix B OAuth 2.0 authorization and OpenID Connect authentication

Appendix C C4 Model

Appendix D Two-phase commit (2PC)

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