Design Interview Questions

1. Design TinyURL or bitly (a URL shortening service)

2. Design YouTube, Netflix or Twitch (a global video streaming service)

3. Design Facebook Messenger or WhatsApp (a global chat service)

4. Designing Quora or Reddit or HackerNews (a social network + message board service)

5. Design Dropbox or Google Drive or Google Photos (a global file storage & sharing service)

6. Design Facebook, Twitter or Instagram (a social media service with hundreds of millions of users)

7. Design Uber or Lyft (a ride sharing service)

8. Design a Web Crawler or Type-Ahead (search engine related services)

9. Design Yelp or Nearby Places/Friends (a proximity server)

Steps to approach a System Design Interview

Step 1: Requirement Gathering

Step 2: System interface definition

Step 3: Capacity estimation

Step 4: High-level design (System API) : REST APIs to expose the functionality of our service

Step 5: Detailed design for selected components (Component Design)

Step 6: Database Design & Data Sharding: MySQL or NoSQL

Step 7: Load Balancing (LB)

Step 8: Cache

Step 9: Security and Permissions

Step 10: Identifying and resolving bottlenecks

References:
https://hackernoon.com/anatomy-of-a-system-design-interview-4cb57d75a53f
https://www.educative.io/collection/page/5668639101419520/5649050225344512/5668600916475904