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43 problemsFree problems available
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4 matching problems

MediumPro

Design a HashMap - LLD Interview Problem. Master collision handling & dynamic resizing. Solutions in Python, Java, C++, TS, JS & C#.

Low Level DesignLLD+7
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
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 Notification Service - LLD Interview Problem. Master multi-channel delivery & retry logic. Solutions in Python, Java, C++, TS, JS & C#.

Low Level DesignLLD+7
60–90 min4 steps · 300 XP