Master Low level design and concurrency
Master Low level design and concurrency. List of Easy, Medium and Hard LLD problems Expert Engineering career growth tips from industry mentors at Preplaced.
LLD Problem Sheet
Here’s a categorized list of all the few of the the blogs based on Beginner, Intermediate, and Advanced difficulty levels:
Link - lldcoding.com
Beginner:
- Design (LLD) Tic-Tac-Toe - Machine Coding
- Design (LLD) Snake and Ladder Game - Machine Coding
- Design (LLD) Tetris Game - Machine Coding
- Design (LLD) Minesweeper - Machine Coding
- Design (LLD) Chess Game - Machine Coding
- Design (LLD) Alarm/Alert Service for AWS - Machine Coding
- Design (LLD) Logging Library like log4j - Machine Coding
- Design (LLD) JSON Parser - Machine Coding
- Design (LLD) File System - Machine Coding
- Design (LLD) 2048 Game - Machine Coding
- Design (LLD) a Jackpot machine - Machine Coding
- Design (LLD) a Vending machine - Machine Coding
- Design (LLD) a ATM machine - Machine Coding
- Design (LLD) a Hotel Management System - Machine Coding Interview
- Design an Airline Management System - Machine Coding
- Design (LLD) a Restaurant Management system - Machine Coding
- Design (LLD) Inventory Management System - Machine Coding
Intermediate:
- Design (LLD) a Parking Lot - Machine Coding Interview
- Design (LLD) a Car Rental System - Machine Coding
- Design (LLD) Internet Download Manager like IDM - Machine Coding Interview
- Design (LLD) Coupon System for Zepto - Machine Coding Interview
- Design (LLD) Android Unlock Pattern - Machine Coding Interview
- Designing a Scalable Database Schema for Reddit-like Comments - Part 1
- Design (LLD) Sublime Text IDE - Machine Coding
- Design (LLD) Ngrok Tool - Machine Coding
- Design (LLD) Rate Limiter - Machine Coding
- Design (LLD) Thread Pool - Machine Coding
- Design OYO/Airbnb - Part 1: Database Modelling
- Design (LLD) Google Calendar Database Model
- Design (LLD) Google Authenticator - Machine Coding
- Design (LLD) Amazon Prime Video - Machine Coding
- Design Online Book Management System - Machine Coding
- Design (LLD) Lift - Machine Coding
- Design (LLD) a Bar Graph Library - Machine Coding
- Design (LLD) Stack Overflow - Machine Coding Interview
- Design (LLD) a Movie Ticket Booking System - Machine Coding
- Design (LLD) Amazon - Machine Coding
- Design (LLD) Cricinfo - Machine Coding
- Design (LLD) Splitwise application - Machine Coding
- Design (LLD) Online Voting System - Machine Coding
- Design (LLD) Web Crawler - Machine Coding
- Design (LLD) Call Center - Machine Coding
- Design (LLD) Ride sharing service - Machine Coding
- Design (LLD) Twitter - Machine Coding
- Implement a music streaming service like Spotify - Machine Coding
- Design (LLD) a peer-to-peer file sharing system like BitTorrent - Machine Coding
- Design (LLD) a system for online food ordering and delivery like Zomato - Machine Coding
- Design (LLD) a music recognition system using audio fingerprinting - Machine Coding
- Design (LLD) Newsletter Service - Machine Coding
- Design (LLD) Pair Programming Platform like HackerRank CodePair - Machine Coding
- Design (LLD) Topmate - Machine Coding
More will be covered in our course - https://interview.lldcoding.com
Advanced:
- Design (LLD) AWS S3 Service - Machine Coding
- Design (LLD) Google Drive - Machine Coding
- Design Version Control (GitHub) - Database Modelling
- Design (LLD) Mentorship Platform like Preplaced - Machine Coding
- Design (LLD) Tinder Dating App - Machine Coding
- Design (LLD) WhatsApp Messenger - Machine Coding
- Design (LLD) Gmail - Machine Coding
- Design (LLD) Game Engine like Unreal - Machine Coding
- Design (LLD) Real-Time Chat System with Millions of Users
- Design (LLD) Video Conferencing App like Zoom
- Design (LLD) Cryptocurrency Exchange Platform
- Design (LLD) Collaborative Document Editing (Google Docs)
- Design (LLD) Payment Recommendation System- Machine Coding
- Design (LLD) Alexa - Machine Coding
- Design (LLD) LinkedIn - Machine Coding
- Design (LLD) Google Maps - Machine Coding
- Design (LLD) load balancer - Machine Coding
- Design (LLD) NoSQL database - Machine Coding
- Design (LLD) a file sharing system like Dropbox - Machine Coding
- Design (LLD) AWS Lambda - Machine Coding
More will be covered in our course - https://interview.lldcoding.com
Concurrency
- Problem I: Thread-Safe Two-Sum Checker
- Parallel Pascal's Triangle Generatio
- Print Sequentially
Practice Problems
Frequently Asked Questions
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