Learn System Design concepts and prepare for interviews using free resources.
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Updated
Oct 15, 2025 - Java
Learn System Design concepts and prepare for interviews using free resources.
System design concepts and implementations (includes high-level design, low-level design, microservices, etc.)
This repo includes system design concepts, topics, AWS Services, capacity planning etc.
Maintaining my learning of DSA, LLD, HLD, MERN Stack from Scaler Academy
🚀 Java-based repository to master DSA, Low-Level Design, and High-Level Design for coding interviews — with topic-wise and company-wise tracking, real-world design patterns, and system architecture blueprints.
This repo contains various system design and LLD concepts implemented along with documentation.
System Design Reference Repository
Centralized notes, analysis, and real-world observations on system design patterns and architecture.
LLD + HLD Design of high throughput All Time High Score Gaming Leaderboard
Notes and code from my system design learning journey.
General big-tech interview preparation in Java: DSA by topic + System Design (LLD/HLD) with diagrams, notes, and tests.
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Exam Portal is a full-stack exam management system that allows instructors to create and manage exams, while enabling students to securely attempt randomized sets of questions. Built with a focus on scalability, confidentiality, and ease of use.
A collection of High-Level Design (HLD) and Low-Level Design (LLD) problems
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concepts to revise at the time of interview
Add a description, image, and links to the hld topic page so that developers can more easily learn about it.
To associate your repository with the hld topic, visit your repo's landing page and select "manage topics."