"I have added all the LLD practice problems here, for myself and anyone else who wants to use them. You don’t need to do all of them—just as many as you need. It’s a great way to stay productive.

In-depth System Design Deep Dives, Low-Level Design Problems, Tech deep dives

Solutions for all frequently asked interview questions

Collection of python and javascript(ES6) codes for different design pattern implementation

Course Scheduling Management LMS - Low level design with standard design patterns using Java.

Design a Parking Lot | Machine Coding Round Questions (SDE I/II)

Asked in Flipkart Machine Coding Round

A collaborative repo for engineers to share, learn, and contribute system design & low-level design solutions during Hacktoberfest 2025!

LLD repository explaining various design pattern and LLD concepts

A Ticket Booking platform backend CLI made using JAVA , GRADLE

Tic Tac Toe Low level design

A collection of Low-Level Design (LLD) Questions with solutions, covering design patterns, OOP concepts, and real-world use cases like parking lots, ATMs, and chess games. Perfect for interview prep and honing design skills. Contributions welcome! 🚀

Low Level Design , Java with Multithreading and Reflection , Concurrency and Custom Annotations, Stream

VendArch is a modular, design-pattern-driven vending machine simulator built in C++. It uses State, Strategy, and Abstract Factory patterns to support multiple machine types. Highly extensible and cleanly architected, it models real-world product-line software systems.

Low level design (LLD) interview question, design the game of Snake and Ladder

This repository contains various types of design patterns and it's implementaions using examples.

Low Level Design Practice

A collection of system design concepts, architecture diagrams, real-world case studies, and scalability principles — ideal for interviews and high-level planning.

An application to track expenses of users.

A basic implementation of Encapsulation, Inheritance, Polymorphism, and Abstraction. Designed to show how OOP concepts apply in real-life coding scenarios.