SYSTEM DESIGN CASE STUDIES TO MASTER IN THE MODERN ERA
FOUNDATIONS: CORE DISTRIBUTED SYSTEMS
→ Design a URL Shortener (Bitly)
→ Design a Pastebin Service
→ Design a Distributed Cache (Redis)
→ Design a Load Balancer
→ Design a Distributed Lock Service
→ Design a Rate Limiter
→ Design a Key-Value Store
→ Design a Distributed Logging System
→ Design a Notification Service
→ Design a Session Management System
SOCIAL MEDIA & REAL-TIME PLATFORMS
→ Design an Instagram Feed
→ Design a Twitter/X Timeline
→ Design a WhatsApp Messaging System
→ Design a Real-Time Chat Application
→ Design a TikTok Video Feed
→ Design a Live Streaming Platform
→ Design a Google Docs Collaboration System
→ Design a Push Notification Platform
→ Design a Comment & Reply System
→ Design a User Presence System
E-COMMERCE & FINTECH SYSTEMS
→ Design an Amazon E-commerce Platform
→ Design a Shopping Cart Service
→ Design a Payment Gateway
→ Design an Order Management System
→ Design an Inventory Management System
→ Design a Subscription Billing Platform
→ Design a Fraud Detection System
→ Design a Multi-Vendor Marketplace
→ Design a Product Recommendation Engine
→ Design a Product Search System
DATA, SEARCH & ANALYTICS SYSTEMS
→ Design a Google Search Engine
→ Design an Autocomplete Service
→ Design a Web Crawler
→ Design a Data Warehouse
→ Design a Real-Time Analytics Platform
→ Design a Metrics Monitoring System
→ Design a Time-Series Database
→ Design a Distributed File Storage System
→ Design a Log Processing Pipeline
→ Design a Stream Processing System
CLOUD, DEVOPS & INFRASTRUCTURE
→ Design a CI/CD Pipeline
→ Design a Kubernetes-like Container Orchestrator
→ Design a Serverless Computing Platform
→ Design an API Gateway
→ Design a Feature Flag System
→ Design a Secrets Management Service
→ Design a Multi-Region Deployment Architecture
→ Design a Service Mesh
→ Design an Observability Platform
→ Design a Disaster Recovery System
AI & MODERN SYSTEMS
→ Design a ChatGPT-like AI Assistant
→ Design a RAG-Based Knowledge Assistant
→ Design an AI Code Generation Platform
→ Design a Semantic Search Engine
→ Design a Voice Assistant
→ Design a Video Recommendation System
→ Design a Multi-Agent AI System
→ Design an AI Document Summarization Platform
→ Design a Real-Time AI Inference System
→ Design an AI Workflow Automation Platform
INTERVIEW-LEVEL CASE STUDIES
→ Design Netflix at Scale
→ Design YouTube Video Streaming
→ Design Uber Ride Matching
→ Design Spotify Music Streaming
→ Design Google Maps Navigation
→ Design Dropbox File Synchronization
→ Design Zoom Video Conferencing
→ Design LinkedIn Social Graph
→ Design Airbnb Booking Platform
→ Design Stripe Payment Infrastructure
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Instead of constantly asking a server for updates, webhooks let applications receive real-time notifications when events happen.
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