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Ace the System Design Interview: Concepts and Case Studies
Rating: 4.3 out of 5(3 ratings)
23 students

Ace the System Design Interview: Concepts and Case Studies

Step-by-Step Guide to Designing Scalable, Reliable, and Efficient Systems for Interviews
Created byPratik Singhal
Last updated 10/2025
English

What you'll learn

  • Prepare for FAANG interviews with confidence by applying best practices and industry-proven strategies to design scalable and efficient systems.
  • Master the fundamentals of system design by understanding microservices architecture, communication patterns, and scalability principles.
  • Optimize system performance by leveraging caching strategies, load balancing, and database sharding techniques.
  • Gain expertise in database selection and design by exploring SQL vs NoSQL, replication, and partitioning strategies.

Course content

15 sections • 73 lectures • 6h 15m total length

  • Course Introduction2:07

Requirements

  • Curiosity to Learn System Design – No prior experience in system design is required, but a willingness to learn

Description

This course is your complete roadmap to mastering the System Design interview, tailored specifically for aspiring Software Engineers, Senior Developers, and Architects. We cut through the complexity to give you the structured, practical knowledge you need to confidently tackle high-level design questions at top tech companies.


What You'll Master:


  • Core Design Principles: Grasp the essential concepts that drive good system architecture, including Scalability (Vertical vs. Horizontal), Availability, Latency and Throughput, and Fault Tolerance.

  • Database Architectures: Dive deep into the world of data. Understand the trade-offs between Relational (SQL) and NoSQL databases, the importance of ACID vs. BASE properties, and advanced techniques like Sharding and Indexing.

  • Caching and Performance: Learn to significantly boost your system's performance and responsiveness. Explore various caching strategies (Local vs. Distributed), cache eviction policies, and the role of Content Delivery Networks (CDNs).

  • High-Availability Patterns: Ensure your systems stay online under heavy load. Master Load Balancing (algorithms and deployment), and apply fundamental theories like the CAP Theorem to make informed database choices.

  • Communication & Microservices: Understand how components talk to each other, from foundational client-server communication methods (Polling, WebSockets) to the architecture and communication patterns within a Microservices environment.

  • Rate Limiting & Algorithms: Implement essential protective measures. Learn the mechanics and trade-offs of popular rate-limiting algorithms, including Fixed Window, Sliding Window Log/Counter, Token Bucket, and Leaky Bucket.

Practice-Focused Case Studies:


Apply all concepts by walking through detailed, step-by-step designs for complex, real-world applications. Each case study covers Functional/Non-Functional Requirements, Back-of-the-Envelope Calculations, API Design, and Database Schema:

  • Design a URL Shortener

  • Design WhatsApp

  • Design Instagram

  • Design Dropbox

By the end of this course, you won't just memorize solutions; you'll develop the architectural thinking to approach any system design problem with clarity and technical rigor. Get ready to ace your interview!

Who this course is for:

  • FAANG & Top Tech Interview Aspirants – If you're preparing for system design rounds in FAANG and other top-tier companies, this course provides the knowledge and case studies needed to succeed

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