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AI-Assisted Practice

Practice with an AI interviewer that guides you in real-time.

Coding Interviews

39 problems
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Two Sum

easy20m

LRU Cache

medium30m

Merge k Sorted Lists

hard40m

Valid Parentheses

easy15m

Median of Two Sorted Arrays

hard40m

Serialize and Deserialize Binary Tree

hard35m

Word Ladder

hard35m

Top K Frequent Elements

medium25m

Contains Duplicate

easyArrays & Hashing15m

Valid Anagram

easyArrays & Hashing15m

Group Anagrams

mediumArrays & Hashing25m

Product of Array Except Self

mediumArrays & Hashing25m

System Design Interviews

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Design a URL Shortener

medium60m

Design a Real-Time Chat System

hard60m

Design a Social Media News Feed

hard60m

Design a Rate Limiter

medium60m

Design a Notification System

medium60m

Design a Distributed Cache

hard60m

Design Search Autocomplete

medium60m

Design an ML Inference Pipeline

hard60m

Design a Blockchain Explorer

hard60m

Design a Data Lakehouse

hard60m

Behavioral Interviews

Full behavioral interview loops — the AI asks multiple questions covering leadership, conflict, failure, and more.

Full Behavioral Loop (5 Questions)

hard45m

Amazon Leadership Principles Loop

hard45m

Meta Core Values Interview

medium45m

More questions coming soon