Microservices, System Design & Design Patterns

This is not just a collection of questions and answers.

It’s a structured learning path that takes you from fundamentals to real-world system thinking across Microservices, System Design, and Design Patterns.

The topics are arranged intentionally. You start with core concepts, build clarity step by step, and then move into real production-scale architectures and high-level designs.

What’s inside

Microservices (Concepts + Scenarios)

195 carefully curated questions and answers that cover fundamentals, edge cases, and real production scenarios.

System Design (Concepts + High-Level Designs)

85 questions and answers covering architectures and designs like Instagram and YouTube.

Real-World System Design

21 deep-dive scenarios explaining how systems like WhatsApp, Hotstar, and Uber actually work under the hood.

SOLID Principles & Design Patterns

58 questions and answers covering SOLID, design patterns, and pattern-based problem solving.

And that’s not all

You also get:

1. Reference articles for deeper understanding
2. Video links, especially for high-level system designs
3. Code examples for SOLID principles and design patterns
4. Real-time, practical examples for every major microservices concept