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Anthropic Software Engineer Onsite Coding Questions

3+ questions from real Anthropic Software Engineer Onsite Coding rounds, reported by candidates who interviewed there.

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What does the Anthropic Onsite Coding round test?

The Anthropic onsite coding round is the core technical evaluation. Software Engineer candidates typically see 2-3 algorithm and data structure problems. Problems range from medium to hard difficulty, and interviewers evaluate both correctness and code quality.

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Anthropic Software Engineer Onsite Coding Questions

Anthropic Growth SDE Onsite Interview Experience and Preparation

Onsite,Tokenizer,Deduplication,System-Design,Culture,Behavioral,Prompt-Playground 2025

Zhongchang 2YOE Investment Phone: tokenizer, I forgot a few follow ups, there was a previous interview that explained it more comprehensively prompt: For the coding interview, we will be doing coding

Anthropic Onsite SDE Interview Experience and Feedback

Onsite,Web-Crawler,Concurrency,Culture,System-Design,Behavioral,Inference-Api 2025

This post was last edited by Anonymous on 2025-09-30 13:40. I recently had an interview and am now giving back to the forum. The on-site interview involved duplicate files. Most of the questions on th

LeetCode #636: Exclusive Time of Functions. Difficulty: Medium. Topics: Array, Stack. Asked at Anthropic in the last 6 months.

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