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Deep-dive guides on system design, DSA, and cracking top Indian product company interviews — written for engineers, by engineers.
Results for System Design
The Complete System Design Interview Guide for Indian Product Companies
Everything you need to crack the HLD round at Swiggy, Razorpay, PhonePe, CRED, Meesho, and Flipkart — from the 45-minute framework to numbers every SDE must memorise.
The 45-Minute HLD Framework: How to Ace Any System Design Interview
A battle-tested, minute-by-minute framework for structuring your system design answer — from requirements gathering to trade-off discussion — used by engineers who've cracked FAANG and unicorn interviews.
System Design Interview Cheat Sheet — Save This Page
The one reference page you need before walking into any system design interview. Capacity estimation formulas, database selection guide, caching patterns, CAP theorem, and 30+ design decisions distilled to their essentials.
System Design Interview Questions 2026 — New AI-Era Patterns
System design interviews now include AI components as standard. Classic questions evolved — design a newsfeed now means a personalized ranked feed with ML. Five new AI-era questions didn't exist in prep guides 3 years ago. Here's the full picture.
Object-Oriented Design Interview Questions 2026 — Machine Coding and LLD
LLD rounds trip engineers who crack hard LeetCode problems. The parking lot, food delivery, and ride-sharing machine coding questions test a completely different skill: translating real-world systems into clean, extensible OOP code under pressure. Here's the 45-minute framework and the 5 problems that appear most.
Distributed Systems Interview Questions 2026 — What Senior Engineers Get Asked
Distributed systems is still the highest-signal technical domain for senior interviews. In the AI era it matters more — training clusters, model serving, and vector database replication are all distributed systems problems. This covers consistency models, Raft, failure patterns, and 10 questions with full answers.
ML System Design Interview Questions — The 5-Component Framework
ML system design is a distinct interview format — not software design with a model bolted on. This covers the 5-component answer structure, the 5 problems that appear most (recommendation, fraud detection, demand forecasting, search ranking, content moderation), and company-specific patterns at Amazon, Flipkart, Coupang, and Uber.
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