What's New?

December 2025

• Design an ID Allocator

  New

  Low-Level Design · 31 Dec 2025

  Eoin

• Design a Logging Library

  New

  Low-Level Design · 31 Dec 2025

  Eoin

• PwC's Interview Process (2026)

  New

  Article · 30 Dec 2025

  Eoin

• Uniswap interview roadmap

  New

  Roadmap · 30 Dec 2025

  Eoin

• 55 new coding questions55 questions

  New

  .NET MAUI & Xamarin · Coding Question · 30 Dec 2025

  Eoin

• Design Tic-Tac-Toe

  New

  Low-Level Design · 30 Dec 2025

  Eoin

• Design Search Autocomplete System

  New

  Low-Level Design · 30 Dec 2025

  Eoin

• Design Retriable Function

  New

  Low-Level Design · 30 Dec 2025

  Eoin

• Design Playlist Data Structure

  New

  Low-Level Design · 30 Dec 2025

  Eoin

• Design In-Memory Database

  New

  Low-Level Design · 30 Dec 2025

  Eoin

• 32 new coding questions32 questions

  New

  React Native · Coding Question · 29 Dec 2025

  Eoin

• Qdrant's Interview Process (2026)

  New

  Article · 29 Dec 2025

  Eoin

• Valve interview roadmap

  New

  Roadmap · 29 Dec 2025

  Eoin

• Distributed Lock Manager

  New

  Low-Level Design · 29 Dec 2025

  Eoin

• File Storage Query System

  New

  Low-Level Design · 29 Dec 2025

  Eoin

• File Collections Tracker

  New

  Low-Level Design · 29 Dec 2025

  Eoin

• Fault-Tolerant Redis Wrapper

  New

  Low-Level Design · 29 Dec 2025

  Eoin

• Encode and Decode TinyURL

  New

  Low-Level Design · 29 Dec 2025

  Eoin

• Vanguard interview roadmap

  New

  Roadmap · 26 Dec 2025

  Eoin

• 65 new coding questions65 questions

  New

  Blazor · Coding Question · 26 Dec 2025

  Eoin