system design interview questions

The complete system design interview guide: a 7-step framework, core concepts (scalability, databases, caching, load balancing), common questions, and FAANG interview strategies.

How to design a social media news feed like Facebook or Twitter: fan-out strategies, ranking, caching, sharding, and the trade-offs interviewers want to hear.

The 25 most common system design interview questions at FAANG — with frameworks, walkthroughs, and the trade-offs interviewers expect you to discuss.

A ranked guide to the best free system design resources on GitHub: the top repositories, what each one is good for, the official Grokking System Design repo, and where free material stops being enough.

Stop guessing which patterns to use. One question and four buckets classify any system design problem in the first five minutes of your interview.