Company preparation
Meta preparation guide
Practice concise problem solving and design communication.
Understand the problem
Build fluency in common coding patterns and explain complexity. In design practice, scope core user actions and identify the dominant scale bottleneck. Verify the role’s current process with the recruiter.
Make it concrete
For a feed, contrast write-time fan-out with read-time assembly and describe a hybrid.
Trade-offs and pitfalls
Memorizing reported questions does not replace adapting to new constraints.
Check your understanding
Rehearse two problems with a clear explanation before coding.
Practice this topic