Advanced Architecture Series

Master the Art of

From CAP theorem and load balancing to SOLID principles and design patterns. Build industry-grade systems that scale to millions of users.

24 Classes
Full HLD & LLD
Scale 0 to 1
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Highly rated for Senior SDE roles
Real-world Case Studies

Learn from WhatsApp, Netflix & Uber

Architect level insights

Perfect for Staff & Principal roles

What you'll learn

High-Level System Design (HLD)
Low-Level Object Design (LLD)
CAP Theorem & Trade-offs
Database Scaling & Sharding
Caching Strategies (Redis/CDN)
Asynchronous Messaging (Kafka)
Consistent Hashing
Distributed Locking & Quorum
SOLID Design Principles
Creational Design Patterns
Structural Design Patterns
Behavioral Design Patterns
Concurrency & Thread Safety
Distributed Transactions (2PC)
Search Engine Architecture
API versioning & Pagination
Clean Code & Refactoring
Mock Interview Practice
1Level 1

High Level Design (HLD) Basics

Master the foundations of large-scale system architecture

Learn how to analyze requirements and build the core infrastructure of modern web applications.

Class 1: System Design Foundations

Core Concept8 Topics
What system design means in real-world systems
CAP theorem and practical trade-offs
Load estimation basics: requests per second, bandwidth, storage
Caching strategies: read-through, write-through, write-back
Database schema design fundamentals
Designing REST API endpoints
Fault tolerance concepts and redundancy
Replication models and failure handling

Class 2: Requirement Analysis & API Design

Applied Design9 Topics
Functional and non-functional requirements
Requirement gathering techniques
Defining system scope and constraints
RESTful API design principles
Pagination, filtering, and sorting
API versioning strategies
Caching using Redis and CDN
SLO, SLA, and SLI concepts
Metrics for availability, latency, and errors

Class 3: Load Balancing & CI/CD Systems

Infrastructure8 Topics
Traffic distribution challenges
Layer 4 vs Layer 7 load balancing
Reverse proxy concepts with Nginx
Health checks and routing strategies
Job queues and worker pool architecture
CI/CD pipeline flow
Artifact storage strategies
Rollback and safe deployment techniques

Class 4: Database Architecture

Data Layer6 Topics
Real-time message delivery systems
Read-heavy and write-heavy workloads
Optimizing read and write patterns
Database sharding based on user or region
Caching strategies for frequent reads
Message delivery semantics
2Level 2

Scaling & Data Management

Learn to manage data at massive scale

Explore the techniques used to distribute data and process information asynchronously across clusters.

Class 5: Data Partitioning & Consistency

Distributed Data6 Topics
Horizontal and vertical partitioning
Consistent hashing
Replica placement and management
Quorum-based reads and writes
Strong vs eventual consistency
Gossip protocol fundamentals

Class 6: Asynchronous Communication

Messaging8 Topics
Producer-consumer model
Asynchronous processing use cases
Kafka architecture overview
Topics, partitions, and consumers
Message ordering and parallelism
Retention policies and offsets
Alert pipelines
Monitoring and dashboards

Class 7: Search & Indexing Systems

Search Systems8 Topics
Search system architecture
Data ingestion pipelines
Text analysis and tokenization
Index creation and maintenance
Ranking and scoring techniques
Query execution flow
Caching layers with Redis and Elastic
Query optimization

Class 8: Distributed Storage

Storage Architecture6 Topics
Object storage architecture
Data chunking and deduplication
Metadata database design
File versioning strategies
Multi-part uploads
Cross-region data synchronization
3Level 3

Network & Coordination

Understand global infrastructure and service coordination

Deep dive into the protocols and systems that coordinate distributed services and handle Internet-scale traffic.

Class 9: Domain Name Resolution

Networking5 Topics
DNS resolution process
Recursive and iterative queries
DNS caching and TTL
Root, TLD, and authoritative servers
DNS-based load balancing

Class 10: Distributed Locks & Coordination

Coordination6 Topics
Need for distributed locks
Lease-based locking
Quorum-based coordination
Fencing tokens
Consensus fundamentals
Distributed coordination systems

Class 11: Distributed Transactions & Consensus

Advanced Distributed6 Topics
Atomic updates across services
Two-phase commit overview
Rollback and compensation strategies
Idempotency and deduplication
Write-ahead logging
Failure recovery mechanisms

Class 12: Peer-to-Peer Systems

P2P Architecture5 Topics
Peer discovery mechanisms
Distributed hash tables
Data routing strategies
Fault tolerance
Chunk replication and recovery
4Level 4

Low Level Design (LLD) Foundations

Master Object-Oriented Design and SOLID principles

Learn to write clean, maintainable, and extensible code using proven design patterns and principles.

Class 13: OOP Principles & UML Basics

OOP Core6 Topics
Core object-oriented principles
Class and object modeling
One-to-one and one-to-many relationships
Aggregation vs composition
UML class and sequence diagrams
Access modifiers

Class 14: Design Patterns (Creational)

Patterns5 Topics
Purpose of design patterns
Factory and abstract factory
Singleton pattern and pitfalls
Builder pattern for complex objects
Decoupling object creation from usage

Class 15: SOLID Principles

Clean Code7 Topics
Common design issues and code smells
Single responsibility principle
Open-closed principle
Liskov substitution principle
Interface segregation principle
Dependency inversion principle
Cohesion and coupling

Class 16: Structural Patterns

Patterns5 Topics
Adapter pattern
Facade pattern
Composite pattern
Decorator pattern
Composition over inheritance
5Level 5

Behavioral Patterns & Concurrency

Design complex interactions and handle concurrent execution

Explore behavioral patterns and concurrency models to build robust, multi-threaded applications.

Class 17: Behavioral Patterns I

Patterns4 Topics
Strategy pattern
Observer pattern
Command pattern
Event-driven interactions

Class 18: Behavioral Patterns II

Patterns4 Topics
State pattern
Chain of responsibility
Workflow-based request handling
Transaction flow modeling

Class 19: Concurrency in LLD

Concurrent Design5 Topics
Concurrency challenges
Mutex and semaphore usage
Thread pools and executors
Deadlock scenarios
Safe resource access

Class 20: Extensible System Design

System Architecture4 Topics
Polymorphism in business logic
Strategy-based rule handling
Domain or board representation
Feature extensibility
6Level 6

Implementation & Best Practices

Bridge the gap between design and production code

Learn professional code review techniques, error handling, and participate in capstone mock interviews.

Class 21: Persistence & Repositories

Data Implementation5 Topics
Entity modeling
Relationship mapping
Transaction handling
Repository pattern
Service layer responsibilities

Class 22: API Layer & Error Handling

API Implementation5 Topics
REST endpoint structure
Input validation techniques
Rate limiting
HTTP status codes
Global error handling

Class 23: Code Review & Refactoring

Clean Code5 Topics
Identifying design problems
Code modularization
Naming conventions
Improving readability
Separation of concerns

Class 24: Capstone: LLD Mock Interview

Interview Prep5 Topics
End-to-end low-level design problem
OOP relationship modeling
Persistence layer design
Design trade-offs
Scalability discussion
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