Peer System Design Submissions
Peer System Design Library
Browse system design solutions submitted by the community. Share your own designs and learn from others.
Share Your Design
Design Projects
Design a Notification Service
- by UnderlyingApricotGoldfish326
- 395 bookmarks
- 47 comments
Design an Online Game Leaderboard
- by Itai Noam
- 268 bookmarks
- 103 comments
Design a Log Aggregation Service
- by Manasi
- 202 bookmarks
- 50 comments
Design a Notification System
- by Akshay
- 196 bookmarks
- 74 comments
Design a Top-K System
- by Itai Noam
- 135 bookmarks
- 23 comments
Design a Review App for Food Items
- by Viswa
- 122 bookmarks
- 15 comments
Design a System Metrics Monitoring and Alerting Platform
- by MagicBeigeCobra881
- 115 bookmarks
- 46 comments
Design a Global URL Blocking System
- by Alex Ilyenko
- 102 bookmarks
- 44 comments
Design a Donations Website
- by Manasi
- 99 bookmarks
- 42 comments
Design a Logger System
- by CasualScarletPelican829
- 90 bookmarks
- 126 comments
Design Recommender System
- by ExtraApricotSloth487
- 85 bookmarks
- 17 comments
Design DoorDash
- by Vardhan
- 79 bookmarks
- 17 comments
Design a Webhook Callback System
- by BrainyBrownGull547
- 77 bookmarks
- 16 comments
Design Top K Songs Widget for Spotify
- by Itai Noam
- 69 bookmarks
- 54 comments
Design a Reservation System for Airbnb
- by ElderlyHarlequinMongoose590
- 67 bookmarks
- 30 comments
Design a Book Seller Platform
- by DominantScarletBoa987
- 63 bookmarks
- 20 comments
Design a Calendar System
- by VoluntarySalmonCondor836
- 60 bookmarks
- 102 comments
Design Online Chess
- by SurprisingSapphireIguana142
- 57 bookmarks
- 36 comments
Design a Web Crawler with Limited Communication
- by Itai Noam
- 57 bookmarks
- 11 comments
Design ChatGPT
- by asterp
- 56 bookmarks
- 28 comments
Design a Key-Value Store
- by Anushree Naik
- 52 bookmarks
- 64 comments
Design a Hotel Booking System
- by OpenAmaranthGull178
- 51 bookmarks
- 24 comments
Design a Driver Heatmap System
- by Abhishek Athreya
- 51 bookmarks
- 85 comments
Design a Malicious IP Detection System
- by VoluntarySalmonCondor836
- 51 bookmarks
- 48 comments
Peer System Design Submissions | Hello Interview