What's New?

December 2025

• Encode and Decode TinyURL

  New

  Low-Level Design · 29 Dec 2025

  Eoin

• Food Delivery Matching Engine

  New

  Low-Level Design · 26 Dec 2025

  Eoin

• Fractional Share Inventory

  New

  Low-Level Design · 26 Dec 2025

  Eoin

• Gameplay Ability System

  New

  Low-Level Design · 26 Dec 2025

  Eoin

• Frequency and Distance Top-K Query System

  New

  Low-Level Design · 26 Dec 2025

  Eoin

• Fraud Detection: Rolling Window Thresholds

  New

  Low-Level Design · 26 Dec 2025

  Eoin

• Hash Table Implementation

  New

  Low-Level Design · 25 Dec 2025

  Eoin

• Graph Implementation

  New

  Low-Level Design · 25 Dec 2025

  Eoin

• Implement Queue using Stacks

  New

  Low-Level Design · 25 Dec 2025

  Eoin

• Log Collection and Aggregation System

  New

  Low-Level Design · 25 Dec 2025

  Eoin

• Inventory and Item System

  New

  Low-Level Design · 25 Dec 2025

  Eoin

• Message Processing System

  New

  Low-Level Design · 24 Dec 2025

  Eoin

• My Calendar I

  New

  Low-Level Design · 24 Dec 2025

  Eoin

• Multi-Currency Wallet

  New

  Low-Level Design · 24 Dec 2025

  Eoin

• On-Device AI Feature Cache

  New

  Low-Level Design · 24 Dec 2025

  Eoin

• Notification Factory

  New

  Low-Level Design · 24 Dec 2025

  Eoin

• Order Book - Matching Engine

  New

  Low-Level Design · 23 Dec 2025

  Eoin

• Pin and Board Management Service

  New

  Low-Level Design · 23 Dec 2025

  Eoin

• Payment Terminal

  New

  Low-Level Design · 23 Dec 2025

  Eoin

• Resume Search System

  New

  Low-Level Design · 23 Dec 2025

  Eoin