Real machine coding & low-level design (LLD) interview questions asked at Amazon, Microsoft, Uber, Flipkart & more — mapped to design patterns, with reference solutions in 5 languages.
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Jul 28, 2026 - JavaScript
Real machine coding & low-level design (LLD) interview questions asked at Amazon, Microsoft, Uber, Flipkart & more — mapped to design patterns, with reference solutions in 5 languages.
This handbook is a curated compilation of Low-Level Design (LLD) principles, object-oriented design patterns, and system modeling techniques frequently tested in software engineering interviews. Each topic includes core concepts, real-world examples, design trade-offs, along with links to practice resources and common pitfalls to avoid.
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