Top 33
Prep plan
Updated weekly · Last refresh Aug 30

Anthropic Research Engineer Interview Questions

The questions to prepare for a Anthropic Research Engineer interview. Questions from real interview reports rank first. Updated weekly.

33questions
~5htotal time
Track your progressSign up free to work through all 33 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 10 questions · ~92 min
Binary Search Insert PositionEasy
Practice

Use binary search on a sorted array to find a target index or its insertion position in O(log n) time.

ArraysSearchingSortingAnthropic
Longest Unique Substring WindowMedium
Practice

Use a sliding window and hash table to find the longest substring without repeated characters in O(n) time.

RecursionHash TablesArraysAnthropic
More Coding questions with a free account
2
Machine Learning5 questions · ~46 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffAnthropic
More Machine Learning questions with a free account
3
System Design4 questions · ~37 min
Safety-Critical RL System DesignHard

Tests RL fundamentals with emphasis on safety constraints, training stability, and rigorous evaluation.

ML RankingFeature StoreRecommendation SystemsAnthropic
More System Design questions with a free account
4
Behavioral & Leadership8 questions · ~74 min
More Behavioral & Leadership questions with a free account
5
More topics6 questions · ~55 min
Design an AI Tool InterfaceMedium

Approach for designing an AI tool interface that balances usability, trust, onboarding, and user control.

User NeedsMVPUse CasesAnthropic
Evaluate Model Bias RigorouslyMedium

Approach for evaluating whether a model is biased, including fairness metrics and statistical tests for group disparities.

PrecisionAccuracyRecallAnthropic
Large-Scale Training Data PipelineHard

Tests data engineering skills for robust training datasets and safe, repeatable backfill workflows.

ETLBatch ProcessingBackfillingAnthropic
Evaluate LLMs and Generate DataMedium

Evaluates your approach to LLM evaluation design and data augmentation for assessment.

Anthropic
More questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
The finish line: interview-readyComplete all 33 questions to finish this plan.