- Backend HLD
Podcast Platform Backend Architecture and System Design
Comprehensive high-level design document for a scalable podcast platform backend infrastructure with streaming, storage, and user management systems.
- Backend HLD
Music Streaming Service Backend Architecture Design
Comprehensive backend high-level design for a scalable music streaming platform with real-time playback, user management, and content delivery optimization.
- Backend HLD
Q&A Platform Backend Architecture and System Design
Comprehensive backend high-level design for a scalable Q&A platform with user management, question/answer handling, and moderation systems.
- Backend HLD
Reddit-Style Discussion Forum Backend Architecture
Comprehensive high-level design for scalable discussion forum backend with real-time features, content moderation, and user engagement systems.
- Backend HLD
Blogging Platform Backend Architecture Design
Comprehensive high-level design for a scalable blogging platform backend with content management, user authentication, and real-time features.
- Backend HLD
Instagram News Feed Backend Architecture and Scalability Design
Comprehensive high-level design for Instagram's news feed system including content ranking, caching, and real-time updates at scale.
- Backend HLD
Twitter/X Timeline System Design
Comprehensive backend architecture for Twitter/X timeline service handling real-time tweet aggregation, user preferences, and scalable content delivery.
- Backend HLD
Social Media Feed System Design: Facebook/LinkedIn Style Architecture
Comprehensive backend high-level design for scalable social media feed systems with real-time updates, caching strategies, and content personalization.
- Backend HLD
URL Shortener System Design - Bitly-like Backend Architecture
Comprehensive backend high-level design for a scalable URL shortening service with load balancing, caching, and database sharding strategies.
Backend High-Level Design (HLD) — Study Guide
A curated, structured catalog of backend system design questions for study and practice. Use it to plan study sessions, track coverage, and rehearse with a repeatable approach.