SOLID Principle

• Single Responsibility & Open/Closed Principle
• Liskov Substitution & Interface Segregation Principle
• Dependency Inversion

Understanding various Design Patterns

• Strategy Pattern
• Observer Pattern
• Factory Pattern
• Abstract Factory Pattern
• Singleton Pattern
• Command Pattern
• Proxy Pattern
• Bridge Pattern
• Template method Pattern
• Composite Pattern
• Iterator Pattern

Low Level Design(LLD) And High Level Design (HLD)

• Design Instagram
• Design Tinder
• Design WhatsApp
• Design Facebook
• Design Twitter
• Design Reddit
• Design Netflix
• Design Youtube
• Design Google Search
• Design E-commerce Store like Amazon
• Design TikTok
• Design Notification Service
• Design Payment System
• Design a Digital Wallet

Domain Name System

Load Balancer

• Introduction and Types of Load Balancers
• Scaling Load Balancers
• Load Balancing Algorithms

Database Architecture

• Database Replication
• Database Sharding
• Database Indexing

Scaling

• Scalability Factor
• Vertical and Horizontal Scalability

Caching

• Caches in different layers
• Cache invalidation
• Eviction Policy

Design Problems

• Design a Rate Limiter
• Designing Object Store
• Designing twitter
• Design a tiny URL generator
• More Design Problems will be covered in the Live Session