System Design AI

Designs

Pick a system. Work through the problem. Compare your approach.

Create your own

All designs 1

Ordered by design number

Company tags are community-reported. Counts on cards show how many people reported that design.

SearchClear filters

143. Design YouTube Video Search
Find the right videos for a typed query among billions: BM25 and a dual encoder over text, speech and frames, LambdaMART on debiased clicks, human raters.
ClassicMedium
Machine learning Search AWS
+2
Multimodal Ranking
Worked design
Practice

Each design brings together the brief, practice, examples and discussion.