Anthropic
AI safety and research company behind Claude, focusing on constitutional AI.
5 Rounds
~20 Days
Very Hard
The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Software Engineer
•
Coding
•
medium
Implement an LRU (Least Recently Used) cache. Once completed, discuss how you would modify it to support an LFU (Least Frequently Used) eviction policy for LLM prompt caching.
#Caching
#Hash Map
#Linked List
Software Engineer
•
Coding
•
medium
Implement an LRU Cache with a Time-To-Live (TTL) feature. If an item is accessed after its TTL has expired, it should be treated as a cache miss and removed.
#Linked Lists
#Hash Maps
#Caching
Software Engineer
•
Coding
•
medium
Implement a Trie (Prefix Tree) to support fast autocomplete suggestions. Include a method to insert words with a frequency score, and a method to retrieve the top 3 most frequent completions for a given prefix.
#Trees
#Trie
#Design
#Sorting
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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Think Out Loud
Always explain your thought process before writing code or drawing architecture.