EasyPro
Design a Chess Game - LLD Interview Problem. Master move validation & state management. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+5
15–30 min4 steps · 150 XP
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EasyPro
Design a JSON Parser - LLD Interview Problem. Master recursive descent parsing & tokenization. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+6
15–30 min4 steps · 150 XP
EasyPro
Design a Trie (Prefix Tree) - LLD Interview Problem. Master prefix matching, autocomplete & DFS traversal. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+8
15–30 min4 steps · 150 XP
EasyPro
Design an LRU Cache - LLD Interview Problem. Master HashMap + Doubly Linked List for O(1) operations. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+6
15–30 min4 steps · 150 XP
MediumPro
Design a Rate Limiter - LLD Interview Problem. Master token bucket & sliding window algorithms. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+5
30–60 min4 steps · 200 XP
MediumPro
Design a URL Shortener - LLD Interview Problem. Master encoding algorithms & redirection. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+7
30–60 min4 steps · 200 XP
MediumPro
Design an ATM System - LLD Interview Problem. Master state management & concurrent transactions. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+3
30–60 min4 steps · 200 XP
HardPro
Design a Cache Manager - LLD Interview Problem. Master LRU/LFU eviction & TTL expiration. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+6
60–90 min4 steps · 300 XP
HardPro
Design a Chat Room Manager - LLD Interview Problem. Master message queuing & presence tracking. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+7
60–90 min4 steps · 300 XP
HardPro
Design a Feed Generator - LLD Interview Problem. Master ranking algorithms & content aggregation. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+7
60–90 min4 steps · 300 XP
HardPro
Design a Task Scheduler - LLD Interview Problem. Master DAG dependencies & exponential backoff. Solutions in Python, Java, C++, TS, JS & C#.
Low Level DesignLLD+7
60–90 min4 steps · 300 XP