Database Sharding: Complete System Design Guide
Database Sharding: Complete System Design Guide Database sharding is the technique of horizontally partitioning data across multiple database instances (shards). […]
System Design
Algorithms
Low-Level Design: Chess Game (OOP Interview)
Low-Level Design: Chess Game Designing a chess game is a classic LLD interview question that tests your ability to model
Algorithms
String Manipulation Interview Patterns: Complete Guide (2025)
String Manipulation Interview Patterns: Complete Guide (2025) String problems are ubiquitous in coding interviews — from anagram detection to complex
System Design
System Design Interview: Design a Distributed Messaging System (Kafka)
System Design Interview: Design a Distributed Messaging System (Apache Kafka) Understanding distributed messaging systems is essential for senior engineering roles.
System Design
Low-Level Design: Library Management System (OOP Interview)
Low-Level Design: Library Management System (OOP Interview) The Library Management System is a comprehensive LLD interview problem testing your ability
System Design
System Design Interview: Design a Social Graph (Twitter/LinkedIn)
System Design Interview: Design a Social Graph (Twitter Follow / LinkedIn Connect) Social graph design is a foundational problem asked
System Design
System Design Interview: Design Dropbox / Google Drive (Cloud Storage)
System Design Interview: Design Dropbox / Google Drive (Cloud File Storage) Cloud file storage like Dropbox or Google Drive is
System Design
System Design Interview: Design a Distributed File System (HDFS/GFS)
System Design Interview: Design a Distributed File System (HDFS/GFS) Distributed file systems are foundational infrastructure, powering big data processing, cloud
System Design
Low-Level Design: Vending Machine (OOP Design Interview)
Low-Level Design: Vending Machine (OOP Design Interview) The vending machine is a classic low-level design problem that tests State Pattern,
System Design
System Design Interview: Design Google Search Autocomplete (Typeahead)
System Design Interview: Design Google Search Autocomplete (Typeahead) Search autocomplete (typeahead) is one of the most common system design questions,
System Design
System Design Interview: API Rate Limiter Deep Dive (All Algorithms)
System Design Interview: Design an API Rate Limiter (Deep Dive) API rate limiting is a fundamental system design topic —
Algorithms
Monotonic Stack Patterns: Complete Interview Guide (2025)
Monotonic Stack Patterns: Complete Interview Guide Monotonic stacks solve a specific family of problems related to “nearest greater/smaller element” queries
System Design
System Design Interview: Design a Hotel Booking System (Airbnb)
System Design Interview: Design a Hotel Booking System (Airbnb/Booking.com) Hotel booking systems are canonical system design problems testing inventory management,
System Design
System Design Interview: Design a Payment System (Stripe/PayPal)
System Design Interview: Design a Payment System (Stripe/PayPal) Payment system design is one of the most important system design interviews,
System Design
System Design Interview: Design Google Maps / Navigation System
System Design Interview: Design Google Maps / Navigation System Designing a mapping and navigation system like Google Maps is a