Anthropic
AI safety and research company behind Claude, focusing on constitutional AI.
5 Rounds
~20 Days
Very Hard
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Interview Question Bank
Full Stack Engineer
•
Coding
•
hard
Write a rate limiter middleware in Node.js/TypeScript using Redis. Unlike standard rate limiters, this must limit based on the number of 'tokens' consumed, which is only known *after* the API request completes.
#Node.js
#Redis
#Concurrency
#API Design
Full Stack Engineer
•
Coding
•
medium
Implement a concurrent task scheduler in Node.js that takes an array of asynchronous tasks and limits the number of active API requests to an external service to exactly `N`.
#Concurrency
#Promises
#Node.js
Difficulty Radar
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The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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Always explain your thought process before writing code or drawing architecture.