Anthropic

Anthropic

AI safety and research company behind Claude, focusing on constitutional AI.

5 Rounds ~20 Days Very Hard
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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

Machine Learning Engineer • Coding • medium

Write a Python function to efficiently perform top-k and nucleus (top-p) sampling given a 1D tensor of logits.

#Sampling #Inference #Probability #PyTorch
Practice
Machine Learning Engineer • Coding • easy

Given a string representing a mathematical expression, write a tokenizer that converts it into a list of valid tokens (numbers, operators, parentheses). Handle multi-digit numbers and ignore whitespace.

#Tokenization #Parsing #Strings #State Machines
Practice
Machine Learning Engineer • Coding • medium

Implement a basic tokenizer using Byte-Pair Encoding (BPE) given a corpus of text and a target vocabulary size.

#NLP #Tokenization #String Processing
Practice
Machine Learning Engineer • Coding • medium

Implement a Trie data structure to efficiently filter out a large list of toxic words from a continuous stream of generated tokens.

#Data Structures #Trie #String Manipulation
Practice
Machine Learning Engineer • Coding • hard

Given a sequence of characters and a vocabulary of merges, implement the Byte-Pair Encoding (BPE) tokenization merging algorithm.

#Tokenization #NLP #Greedy Algorithms
Practice
Machine Learning Engineer • Coding • medium

Write an algorithm to find the longest common substring between two large text documents efficiently.

#Dynamic Programming #Strings #Suffix Trees
Practice
Machine Learning Engineer • Coding • medium

Write an algorithm to efficiently sample from a logits distribution using Top-K and Top-P (Nucleus) sampling.

#Probability #Sampling #Sorting
Practice
Machine Learning Engineer • Coding • medium

Given a stream of generated tokens, write a highly optimized Trie-based data structure to filter out a dynamic list of toxic phrases in real-time.

#Data Structures #Trie #Streaming
Practice

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Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

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