System Design 12
- Database Transactions and Isolation Levels — Explained with Race Conditions
- Optimistic vs Pessimistic Locking in SQL (With Real Deadlock Examples)
- Read Replicas, Connection Pooling, and Scaling SQL to Millions of Users
- Database Sharding Strategies — Range, Hash, and Directory-Based
- ACID vs BASE — What Every Backend Developer Gets Wrong
- System Design: Payment Gateway Like Stripe — Spring Boot Implementation
- System Design: Chat Application with WebSocket, Kafka, and Redis
- How I'd Design Twitter's Timeline — With Working Java Code
- How I Ace System Design Interviews — My Complete Framework
- System Design — URL Shortener with Spring Boot
- System Design — Rate Limiter with Spring Boot + Redis
- System Design — Notification Service (Email, SMS, Push) with Spring Boot