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Grokking the Frontend System Design Interview
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Grokking the Frontend System Design Interview course, developed by FAANG engineers, will teach you the essential principles, patterns, and strategies for designing cutting-edge frontend applications.
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Frontend System Design interviews are part of senior frontend and full-stack developers’ interviews to assess a candidate’s proficiency in designing large-scale frontend systems. This course shows you how to design real-world frontend systems like chat apps, newsfeeds, and streaming platforms. You’ll start with the basics—core concepts, optimization techniques, design patterns, and state management. Then, you’ll learn about architectural approaches like component-driven design and micro frontends and how to connect frontend systems to backends using efficient APIs for better performance and communication. A major part of the course is the REDCAAP framework, which offers a clear, step-by-step method for frontend system design. After completing the course, you’ll be ready to build well-structured, high-performance frontend systems and confidently tackle frontend System Design interviews.
Frontend System Design interviews are part of senior frontend and full-stack developers’ interviews to assess a candidate’s prof...Show More

WHAT YOU'LL LEARN

The ability to design scalable, maintainable, and high-performance frontend applications
An understanding of modern frontend architectures, including SPA, MPA, monolithic, and micro-frontends
An understanding of optimizing frontend performance with rendering strategies, caching, API efficiency, etc.
An understanding of effective API design and seamless integration with backend services
The ability to apply component-based design to create reusable, modular, and efficient UI systems
The ability to architect frontends for real-world applications, tackling complex UI challenges with confidence
The ability to design scalable, maintainable, and high-performance frontend applications

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Content

44 Lessons56 Quizzes

1.

Introduction to Frontend System Design

2 Lessons

Get familiar with frontend System Design for scalable, efficient, and engaging applications.
What Is Frontend System Design?
The Role of Frontend System Design in Modern Applications

2.

Nonfunctional Requirements

4 Lessons

Build frontend systems by prioritizing performance, accessibility, localization, and maintainability.
Performance in Frontend Systems
Accessibility and Compatibility in Frontend Systems
Localization and Internationalization in Frontend
Designing Maintainable Frontend Systems

3.

Fundamentals of Frontend System Design

4 Lessons

Explore browser rendering, CSS positioning, DOM manipulation, and state management for optimized web applications.
Understanding the Content Rendering Process in Browsers
Browser Formatting Contexts and CSS Positioning Essentials
DOM Manipulation and Virtual DOM Fundamentals
State Management in Frontend System Design

5.

API Architecture Styles, Protocols, and Data Formats

3 Lessons

Expand on client-server communication protocols, API styles, and data formats for effective frontend interactions.
Client-Server Communication Protocols
API Architectural Styles for Frontend Communication
Data Formats for Communication

7.

Security in Frontend System Design

2 Lessons

Uncover frontend security through authentication, authorization, and secure data practices.
Authentication and Authorization in Frontend Systems
Secure Data Transmission, Content Policies, and Vulnerabilities

8.

Frontend System Design Framework

1 Lessons

Unravel the REDCAAP framework for scalable and efficient frontend System Design.
The REDCAAP Approach for Designing Frontend Systems

9.

Newsfeed Frontend System Design

4 Lessons

Design scalable, responsive newsfeed frontends with real-time updates and personalized content delivery.
Requirements of a Newsfeed System
Frontend System Design of Newsfeed
API Design and Data Model for the Newsfeed System
Evaluation and Optimization of Newsfeed System

10.

Video Streaming Frontend System Design

4 Lessons

Build an efficient video streaming interface that optimizes real-time performance and user experience.
Requirements of a Streaming System
Frontend System Design of Streaming System
API Design and Data Model for Streaming System
Evaluation and Optimization of a Streaming Frontend

11.

Chat Application Frontend System Design

4 Lessons

Create a high-performing chat frontend optimized for responsiveness, user engagement, and low-latency messaging.
Requirements of the Chat Application
Frontend System Design of a Chat Application
API Design and Data Model for Chat Application
Evaluation and Optimization of a Chat Application

12.

Conclusion

1 Lessons

Recap essential strategies for building scalable frontend systems and explore further resources for continued development.
Wrapping Up the Frontend System Design
Certificate of Completion
Showcase your accomplishment by sharing your certificate of completion.
Developed by MAANG Engineers
Every Educative resource is designed by our in-house team of ex-MAANG software engineers and PhD computer science educators — subject matter experts who’ve shipped production code at scale and taught the theory behind it. The goal is to get you hands-on with the skills you need to stay ahead in today's constantly evolving tech landscape. No videos, no fluff — just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

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