"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.
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Nov 9, 2024
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lowleveldesign
Here are 33 public repositories matching this topic...
In-depth System Design Deep Dives, Low-Level Design Problems, Tech deep dives
distributed-systems design-patterns lld system-design systemdesign system-design-interview high-level-design lowleveldesign system-design-concepts
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Aug 2, 2025
Solutions for all frequently asked interview questions
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Oct 22, 2023 - Java
Collection of python and javascript(ES6) codes for different design pattern implementation
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Dec 29, 2025 - Python
Course Scheduling Management LMS - Low level design with standard design patterns using Java.
java design-patterns lowlevel lld geektrust geektrust-solutions geektrust-challenges geektrust-backend lowleveldesign
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Jul 27, 2022 - Java
Design a Parking Lot | Machine Coding Round Questions (SDE I/II)
uber amazon lld flipkart parkinglotapp systemdesign parking-lot parkinglot lowleveldesign tata1mg machinecoding lldquestion
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Oct 31, 2023 - Java
50 LLD Problems explained in detail and solved using Python & JAVA.
python java concurrency uml design-patterns oops datamodel lld solid-principles system-design algorithms-and-data-structures lld-problems lowleveldesign
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Nov 27, 2025 - Java
Asked in Flipkart Machine Coding Round
java developer walmart lld flipkart systemdesign machinecode supermoney sde2 lowleveldesign sde2interview machinecoding superbidder flipkartsde2 sde3 flipkartsde3 commandlineapplication
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Oct 27, 2023 - Java
A collaborative repo for engineers to share, learn, and contribute system design & low-level design solutions during Hacktoberfest 2025!
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Oct 27, 2025 - C++
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! 🚀
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Dec 23, 2025 - Java
A Ticket Booking platform backend CLI made using JAVA , GRADLE
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Jul 15, 2025 - Java
LLD repository explaining various design pattern and LLD concepts
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Mar 3, 2024 - Java
Complete and Comprehensive Windows API GUI programming with audios, videos, images, colorful notes. Assembly programming notes about to land💣
c windows gui cpp hardware gui-application software-engineering cprogramming winapi-application winapi-ui lowleveldesign winapi-32
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Jan 14, 2026 - C
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.
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Jun 12, 2025 - C++
Low Level Design , Java with Multithreading and Reflection , Concurrency and Custom Annotations, Stream
java reflection annotation multithreading design-patterns interview-practice streams-api faang-interview faang-preparation lowleveldesign javaconcurrencyandreflection javareflectionandthreads
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Nov 26, 2025 - Java
LLD practice projects implementing Strategy, Factory, Singleton, and Observer patterns using real-world system design problems.
observer-pattern factory-pattern state-pattern system-design strategy-design-pattern singleton-design-pattern lowleveldesign
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Jan 14, 2026 - C++
Low level design (LLD) interview question, design the game of Snake and Ladder
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Jun 15, 2023 - Java
A collection of system design concepts, architecture diagrams, real-world case studies, and scalability principles — ideal for interviews and high-level planning.
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May 30, 2025 - C++
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