Pattern series
Two-Tower Retrieval
4 System Design questions share this exact tag. Use the closely related series below for a fuller drill.
- 01Preview
Recommendation System
Design a large-scale personalized recommendation system for feed/video/ads.
Netflix / Meta - 02Preview
TikTok
Design TikTok’s For You feed — rank and serve an endless short-video feed personalized per user without relying on who they follow.
ByteDance - 03Preview
News Feed Ranking
Design the ranking system for a social news feed like Instagram or Facebook.
Meta (Instagram) - 04Preview
Visual / Multimodal Search
Design a visual and multimodal search system that retrieves visually similar images (and text-to-image matches) from a catalog of billions.
Pinterest