System Design AI

Guided practice

Start with a template. Work through each step. Ask Coach when you need a second opinion.

Classic designs 1

Ordered by design number

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

Media uploadClear filters

54. Design a Photo Sharing App like Instagram
Photos and videos for 500 million daily users: presigned multipart uploads, a processing pipeline, CloudFront and a hybrid fan-out feed.
ClassicMedium
Caching Databases Object storage
+7
AWS CDNs Fan out Instagram Media upload Redis Amazon S3
Worked design
Practice

Self-paced by default. Your answers and canvas stay private. AI feedback runs only when you ask for it.