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
Frontend Engineer
•
Coding
•
hard
Implement a diff viewer component that takes two strings (e.g., an original prompt and an AI-edited prompt) and highlights the insertions and deletions.
#String Manipulation
#Dynamic Programming
#React
Frontend Engineer
•
Coding
•
medium
Implement a robust retry mechanism with exponential backoff for a fetch request that calls an unreliable LLM inference API.
#Asynchronous JavaScript
#Promises
#Error Handling
Frontend Engineer
•
Coding
•
medium
Write a utility function to deeply merge two complex JavaScript objects, handling arrays and nested objects appropriately.
#JavaScript
#Recursion
#Data Structures
Frontend Engineer
•
Coding
•
easy
Implement a rate-limiter utility on the frontend to prevent a user from accidentally spamming the 'Generate' button and exhausting their API quota.
#JavaScript
#Throttling
#UX
Frontend Engineer
•
Coding
•
easy
Write a function that takes a deeply nested JSON object representing an AI's structured output and flattens it into a single-level object with dot-notation keys.
#JavaScript
#Recursion
#Object Manipulation
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.