53 Modules · 25 Simulations · 100% Free

Master System
Design & Architecture

From HTTP fundamentals to designing Uber and Twitter at scale. Interactive lessons, hands-on labs, and real-world case studies for your next system design interview.

Beginner to Advanced
Self-Paced
Certificate Included
53
Modules
25
Simulations
200+
Quiz Questions
8
Phases

Complete Curriculum

8 phases covering everything from basics to expert-level system design

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01

Foundations

7 modules

HTTP, DNS, CDN, APIs, Databases, Scaling, Estimation

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Foundations

01
  • HTTP/1.1 vs HTTP/2 vs HTTP/3
  • DNS resolution flow
  • CDN caching strategies
  • REST vs GraphQL vs gRPC
  • SQL vs NoSQL databases
  • Vertical vs Horizontal scaling
  • Back-of-envelope estimation

7 modules · 7 topics

02

Low-Level Design

8 modules

OOP, SOLID, Design Patterns, UML, Case Studies

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Low-Level Design

02
  • OOP principles & classes
  • SOLID principles deep dive
  • Creational patterns (Singleton, Factory)
  • Structural patterns (Adapter, Decorator)
  • Behavioral patterns (Observer, Strategy)
  • UML class & sequence diagrams
  • Design Parking Lot system
  • Design Elevator system

8 modules · 8 topics

03

Core Distributed Systems

9 modules

Load Balancing, Caching, Messaging, CAP, Consistency

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Core Distributed Systems

03
  • Load balancer algorithms
  • Cache eviction strategies
  • CDN architecture
  • Database sharding & replication
  • Message queues & pub-sub
  • CAP theorem trade-offs
  • Rate limiting algorithms
  • Consistent hashing
  • Distributed transactions

9 modules · 9 topics

04

Architecture Patterns

7 modules

Microservices, Event-Driven, CQRS, Sagas, Kubernetes

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Architecture Patterns

04
  • Monolith vs Microservices
  • API Gateway patterns
  • Event-driven architecture
  • CQRS & Event Sourcing
  • Saga pattern (orchestration vs choreography)
  • Circuit breaker pattern
  • Kubernetes fundamentals

7 modules · 7 topics

05

Reliability & Operations

5 modules

Observability, Deployments, DR, Chaos Engineering

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Reliability & Operations

05
  • Observability (metrics, logs, traces)
  • Blue-Green & Canary deployments
  • Disaster recovery strategies
  • Chaos engineering principles
  • Auto-scaling policies

5 modules · 5 topics

06

Real-World Systems

8 modules

URL Shortener, Twitter, Uber, YouTube, Search

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Real-World Systems

06
  • Design URL Shortener (Base62)
  • Design Rate Limiter
  • Design Twitter feed
  • Design WhatsApp messaging
  • Design YouTube video streaming
  • Design Uber ride matching
  • Design Amazon e-commerce
  • Design Search Autocomplete

8 modules · 8 topics

07

Expert Topics

5 modules

Real-Time, ML Systems, Security, Payments, Global Scale

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Expert Topics

07
  • WebSocket & SSE real-time systems
  • ML serving pipelines
  • Security (JWT, OAuth, mTLS)
  • Payment processing & idempotency
  • Multi-region global scale

5 modules · 5 topics

08

Interview Prep

4 modules

Framework, Mock Interviews, Pitfalls, Cheat Sheets

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Interview Prep

08
  • 4-step interview framework
  • 45-min mock interview timer
  • Common pitfalls to avoid
  • Quick reference cheat sheets

4 modules · 4 topics

Why This Platform?

Designed for engineers who want to ace system design interviews

Interactive Simulations

25 hands-on labs — from load balancers to chaos engineering

4 Question Types

Multiple choice, drag-drop, fill-in-blank, and ordering quizzes

Progress Tracking

Track completion, quiz scores, and study time across all modules

Certificate on Completion

Get a professional PDF certificate emailed to you upon finishing

Built for SDE-1 & SDE-2

Curated content targeting real interview questions and scenarios

Real-World Case Studies

Design URL Shortener, Twitter, Uber, YouTube like real engineers do

AI Learning Assistant

Get instant help, generate quizzes, and clarify concepts while you learn

Ready to Master System Design?

Start with Module 1 and work your way through 53 interactive modules. Your certificate awaits at the finish line.

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