Anthropic Interview Question Bank
Anthropic runs an unusually small, transparent technical question bank — the recruiter typically names which prompt family you'll see days before the round, so candidates can target preparation precisely instead of guessing. Bars are calibrated for problem-solving velocity and follow-up depth rather than novelty; offers are decided by hiring committee + reference check, and the culture round on AI-safety alignment is the single most common rejection point even for candidates who clear every technical stage.
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Function Cache Keys and Crash-Recoverable LRU CacheReconstruct Function Events from Sampled Call StacksConcurrent Same-Host Web CrawlerFile DeduplicationReconstruct Function Start/End Events from Sampled Call StacksFile DeduplicationConcurrent Same-Hostname Web CrawlerReview and Improve Pull Requests in a TypeScript RepositoryCompute the Global Mode Across Distributed ShardsBatch Image Transformation PipelineConvert Call-Stack Samples into Timestamped Function EventsIn-Memory Key-Value Store with Nested Transactions and Value CountsMinimum Workers with Deterministic Job AssignmentGenerate Function Profiling EventsFile DeduplicationFix a Buggy LRU Cache Key Built from args and kwargsOptimized Infection Simulation on a 2D GridLongest-Match Tokenizer with Unknown Token MergingMulti-Level In-Memory Database with TTL and Time TravelStack Trace Suffix MatchingFind Duplicate Files in a File SystemFind All Possible Recipes from Given SuppliesFind Duplicate Files by ContentFind Duplicate Files by ContentFix Bootloader Program by Swapping One Instruction to Avoid LoopDNS Solver Implementation (Round 1)Debug / Fix an Extremely Randomized Trees (ExtraTrees) Implementation in NumPyTask Management System (CRUD + Priority Ordering + User Quota + History Query)Thread-Safe Linked List Task Queue TransformationHigh-Concurrency Prompt Template Deduplication (Array + Hash Map)