Learning Paths/System Design (LLD)

Intermediate167h • 1003 modules • 37 sections

System Design (LLD)

Master low-level design and object-oriented design across 37 chapters and 1003+ pages.

Object-oriented designSOLID principlesDesign patternsAPI and persistence design

Start Learning

167 hours

1003 learn

0 problems

0 visualizers

0 quizzes

Course Overview

This LLD learning path develops practical software design skills from object modeling to production-ready architecture decisions. **What you'll learn:** • OOP and UML fundamentals • SOLID and essential design principles • Creational, structural, and behavioral patterns • API, persistence, and caching design • Concurrency and resource management • End-to-end LLD case studies

What You'll Learn

Design extensible object models

Build maintainable service components

Choose appropriate design patterns

Improve code quality and testability

Perform strongly in LLD interviews

Course Curriculum

37 sections • 1003 modules

What Is Lld

Lesson40m40m

Lld Vs Hld

Lesson40m40m

Why Lld Matters

Lesson50m50m

Lld Mindset Thinking In Components

Lesson40m40m

Lld In Interviews Vs Real World

Lesson40m40m

Prerequisites And Learning Path

Lesson40m40m

Ideal For

Software developers
Backend and full-stack engineers
Interview candidates
Engineers improving design skills

Prerequisites

• Basic programming and OOP concepts
• Comfort with classes and interfaces
• Familiarity with one OOP language

Skills You'll Gain

Domain modelingClass and API designApplying SOLID effectivelyPattern selection and trade-offsConcurrency-safe designMaintainable code architecture

Learning Paths/System Design (LLD)

Intermediate167h • 1003 modules • 37 sections

System Design (LLD)

Master low-level design and object-oriented design across 37 chapters and 1003+ pages.

Object-oriented designSOLID principlesDesign patternsAPI and persistence design

Start Learning

167 hours

1003 learn

0 problems

0 visualizers

0 quizzes

Course Overview

What You'll Learn

Design extensible object models

Build maintainable service components

Choose appropriate design patterns

Improve code quality and testability

Perform strongly in LLD interviews

Course Curriculum

37 sections • 1003 modules

What Is Lld

Lesson40m40m

Lld Vs Hld

Lesson40m40m

Why Lld Matters

Lesson50m50m

Lld Mindset Thinking In Components

Lesson40m40m

Lld In Interviews Vs Real World

Lesson40m40m

Prerequisites And Learning Path

Lesson40m40m

Ideal For

Software developers
Backend and full-stack engineers
Interview candidates
Engineers improving design skills

Prerequisites

• Basic programming and OOP concepts
• Comfort with classes and interfaces
• Familiarity with one OOP language

Skills You'll Gain

Domain modelingClass and API designApplying SOLID effectivelyPattern selection and trade-offsConcurrency-safe designMaintainable code architecture

System Design (LLD)

Course Overview

What You'll Learn

Course Curriculum

1Chapter 1: Introduction To Lld6 lessons • 0 completed

2Chapter 2: Thinking In Objects6 lessons • 0 completed

3Chapter 3: Uml Design Representation8 lessons • 0 completed

4Chapter 4: Classes Objects The Building Blocks7 lessons • 0 completed

5Chapter 5: Encapsulation Protecting Data Behavior6 lessons • 0 completed

6Chapter 6: Inheritance Reuse Hierarchies7 lessons • 0 completed

7Chapter 7: Polymorphism Flexible Behavior7 lessons • 0 completed

8Chapter 8: Abstraction Managing Complexity6 lessons • 0 completed

9Chapter 9: Composition Vs Inheritance7 lessons • 0 completed

10Chapter 10: Single Responsibility Principle6 lessons • 0 completed

11Chapter 11: Open Closed Principle6 lessons • 0 completed

12Chapter 12: Liskov Substitution Principle6 lessons • 0 completed

13Chapter 13: Interface Segregation Principle6 lessons • 0 completed

14Chapter 14: Dependency Inversion Principle6 lessons • 0 completed

15Chapter 15: Other Essential Design Principles8 lessons • 0 completed

16Chapter 16: Introduction To Design Patterns6 lessons • 0 completed

17Chapter 17: Creational Patterns7 lessons • 0 completed

18Chapter 18: Structural Patterns8 lessons • 0 completed

19Chapter 19: Behavioral Patterns Part 16 lessons • 0 completed

20Chapter 20: Behavioral Patterns Part 27 lessons • 0 completed

21Chapter 21: Dependency Injection Deep Dive8 lessons • 0 completed

22Chapter 22: Concurrency Fundamentals6 lessons • 0 completed

23Chapter 23: Concurrency Patterns7 lessons • 0 completed

24Chapter 24: Domain Driven Design8 lessons • 0 completed

25Chapter 25: Clean Layered Architecture7 lessons • 0 completed

26Chapter 26: Api Interface Design7 lessons • 0 completed

27Chapter 27: Persistence Layer Design7 lessons • 0 completed

28Chapter 28: Caching Strategies4 lessons • 0 completed

29Chapter 28: Caching Strategies Lld2 lessons • 0 completed

30Chapter 29: Event Driven Design7 lessons • 0 completed

31Chapter 30: Resource Management7 lessons • 0 completed

32Chapter 31: Exception Error Handling Design7 lessons • 0 completed

33Chapter 32: Testing Object Oriented Designs8 lessons • 0 completed

34Chapter 33: Logging Security Configuration6 lessons • 0 completed

35Chapter 34: Lld Problem Solving Framework7 lessons • 0 completed

36Chapter 35: Case Studies6 lessons • 0 completed

37Chapter 36: Lld Interview Strategies Implementation10 lessons • 0 completed

System Design (LLD)

Course Overview

What You'll Learn

Course Curriculum

1Chapter 1: Introduction To Lld6 lessons • 0 completed

2Chapter 2: Thinking In Objects6 lessons • 0 completed

3Chapter 3: Uml Design Representation8 lessons • 0 completed

4Chapter 4: Classes Objects The Building Blocks7 lessons • 0 completed

5Chapter 5: Encapsulation Protecting Data Behavior6 lessons • 0 completed

6Chapter 6: Inheritance Reuse Hierarchies7 lessons • 0 completed

7Chapter 7: Polymorphism Flexible Behavior7 lessons • 0 completed

8Chapter 8: Abstraction Managing Complexity6 lessons • 0 completed

9Chapter 9: Composition Vs Inheritance7 lessons • 0 completed

10Chapter 10: Single Responsibility Principle6 lessons • 0 completed

11Chapter 11: Open Closed Principle6 lessons • 0 completed

12Chapter 12: Liskov Substitution Principle6 lessons • 0 completed

13Chapter 13: Interface Segregation Principle6 lessons • 0 completed

14Chapter 14: Dependency Inversion Principle6 lessons • 0 completed

15Chapter 15: Other Essential Design Principles8 lessons • 0 completed

16Chapter 16: Introduction To Design Patterns6 lessons • 0 completed

17Chapter 17: Creational Patterns7 lessons • 0 completed

18Chapter 18: Structural Patterns8 lessons • 0 completed

19Chapter 19: Behavioral Patterns Part 16 lessons • 0 completed

20Chapter 20: Behavioral Patterns Part 27 lessons • 0 completed

21Chapter 21: Dependency Injection Deep Dive8 lessons • 0 completed

22Chapter 22: Concurrency Fundamentals6 lessons • 0 completed

23Chapter 23: Concurrency Patterns7 lessons • 0 completed

24Chapter 24: Domain Driven Design8 lessons • 0 completed

25Chapter 25: Clean Layered Architecture7 lessons • 0 completed

26Chapter 26: Api Interface Design7 lessons • 0 completed

27Chapter 27: Persistence Layer Design7 lessons • 0 completed

28Chapter 28: Caching Strategies4 lessons • 0 completed

29Chapter 28: Caching Strategies Lld2 lessons • 0 completed

30Chapter 29: Event Driven Design7 lessons • 0 completed

31Chapter 30: Resource Management7 lessons • 0 completed

32Chapter 31: Exception Error Handling Design7 lessons • 0 completed

33Chapter 32: Testing Object Oriented Designs8 lessons • 0 completed

34Chapter 33: Logging Security Configuration6 lessons • 0 completed

35Chapter 34: Lld Problem Solving Framework7 lessons • 0 completed