🔥 Master System Design Interviews with Confidence.....

I have cracked Atlassian, Amazon, Goldman Sachs, Flipkart, Zomato, Sharechat and other top companies and this is the only resource I refer for System Design Interview. You literally not need to read anything apart from this to ace in System Design Interviews!!!!!!

Your Ultimate 250-Page System Design Handbook

System Design interviews are the real make-or-break rounds at top product companies like FAANG, Uber, and top startups and companies . Whether you're leveling up from SDE-1 to SDE-2/3, aiming for staff engineer roles, or just want to architect systems the right way — this handbook is your structured guide.

💡 Why This Exists

Most candidates struggle with questions like:

❓ What concepts should I learn in-depth?

❓ How do I answer open-ended design problems?

❓ Where do I get complete, real-world examples?

❓ How do I talk about trade-offs like a real architect?

That’s exactly what this 250-page handbook solves.

📘 What's Inside?

✅ 1. Deep Dive into Core Concepts

Explained from first principles, with diagrams, examples, and real-life context
Topics include caching, load balancing, queues, sharding, replication, rate limiting, consistency models, CAP theorem, and much more.
Covers every major topic asked in HLD interviews — no fluff.

✅ 2. Backed by the Best

This handbook draws insights and best practices from:

📗 Designing Data-Intensive Applications (DDIA)
📘 Clean Architecture by Robert C. Martin
💻 Top-rated system design courses (paid)
🧠 Industry-leading blogs from ex-FAANG engineers
📓 Personal notes from real-world experience & mentorships

✅ 3. Proven FAANG-Style System Design Framework

A structured, step-by-step approach to answer any HLD question confidently:

🔹 Clarify functional + non-functional requirements

🔹 Define core APIs and data models

🔹 Design scalable architecture

🔹 Identify bottlenecks and failure points

🔹 Talk trade-offs and justify choices like a pro

✅ 4. Real Interview Problems — Fully Solved

Includes in-depth designs for:

Netflix / YouTube
WhatsApp / Messenger
Uber / Ola
Dropbox / Google Drive
URL Shortener
Quora / Reddit
Rate Limiter, Newsfeed, Cloud Storage, and more

Each includes:

High-level design + diagrams
Deep dives into scaling, reliability, availability
Trade-off discussions to showcase your thought process.

🎯 Who Should Use This?

✅ FAANG + top product company aspirants

✅ Engineers targeting SDE-2/3 or Senior Engineer roles

✅ Backend/system engineers wanting a reference-grade resource

✅ Anyone aiming to master system design in real-world and interview settings

💡 Why This Sheet Works

Unlike generic notes or scattered blog posts, this handbook is:

✔️ Structured

✔️ Interview-focused

✔️ Full of diagrams and analogies

✔️ Based on real systems and top-tier guidance

You’ll build more than just answers —

📈 You’ll build a system designer’s mindset.

✨ Outcome?

By the end, you'll:

✔️ Understand how scalable systems are built from the ground up

✔️ Deliver clear, confident answers in any design round

✔️ Practice and internalize industry-level architecture

✔️ Land better offers with better prep

Checkout free sample here - http://bit.ly/4kkxuFi

Harsh Singhal