pallabkumar / lld

Curated Collection of all Low level design Questions and implementation asked in major Tech companies , Get yourself prepared for the LLD round and ace the interview.

Low level Design / Machine Coding Question Collections

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What is Machine Coding Round ?

Machine Coding Round has become very popular interview round in most Product and startup companies like Flipkart, Cleartrip, navi and Udaan,the way the round is structured is the candidate will be provided with a Problem statement and the minimum set of features which needs to implemented within the 90 min window period, we as a candidate need to identity the data models, the service interfaces which will be consumed by the clients and other set of functions and classes, we should be able to present the same to the panel with are design choices / design patterns being made / used and the complete working code.

What is the purpose behind this LLD repo ?

During my recent Preparation, found out that there was no single resources where we get a collections of all the questions and the corresponding Answers, so currently updating the repo with all the materials I found out from the web and the Questions which has been asked during my interview. feel free to contribute any questions you have got during your recent interview.There other useful YT channel and Git repo which are attached in the resources section.

What is target Audience, do all companies ask ?

If you are currently targeting/looking out for any SDE - I,II opportunities. It totally depends on the company you interviewing with, you can check with the HR if they evaluate via machine coding round, but certain companies do ask a object oriented design round where they focus only on one particular feature and DB design as well, so its good get practiced with few problems beforehand.

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Below are the list of LLD problem which are asked during my machine coding rounds from tech companies and the resources I collected.

Note : page is under construction, you can click on the individual packages to view all the questions and solutions.

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Low Level Design Question	Question Link to PDF / Drive	Company Asked	Credits to author
Cricket Match Dashboard	Leetcode	Udaan Assignment
Event Calendar	PDF link	Flipkart LLD Question
FoodKart or food ordering System	Doc link	Flipkart LLD Question
Stock Exchange	Problem Link	Navi LLD Question
PropertyHunt or property Listing site	Question image	ClearTrip LLD Question
ledger company	Question Link	Navi LLD Question	Github code
Leetcode Like platform LLD	PDF link	Flipkart LLD Question	Github code

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Frequently asked Problems

Low Level Design Question	Question Link to PDF / Drive	Company Asked	Credits to author
Ride Sharing like App	Problem Link	Frequently asked in all companies

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Contribute

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Contributions welcome!

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