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Interview prep that actually helps you get the job
Deep-dive guides on system design, DSA, and cracking top Indian product company interviews — written for engineers, by engineers.
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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.
How to Crack Swiggy & Zomato SDE Interviews (2026 Guide)
A no-fluff breakdown of the Swiggy and Zomato engineering interview process — round structure, DSA patterns they favour, system design topics they probe, and what differentiates candidates who get offers.
SQL Interview Questions for Data Engineering — Joins, GROUP BY, Window Functions, CTEs
The four SQL primitives that show up in every data engineering interview: LEFT JOIN anti-joins for orphan detection, GROUP BY with HAVING for duplicates, ROW_NUMBER vs RANK vs DENSE_RANK for top-N ranking, and CTE composition with recursive CTEs — with worked examples and full traces.
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