Anthropic
Heavy emphasis on practical coding under time pressure and on reasoning out loud about safety trade-offs.
- Active questions
- 4
- Rounds covered
- 4
- Last reviewed
- Aug 27, 2026
Reported questions
The full collection. Each entry shows how many independent reports it has and when it was last seen in a live loop.
- CodingMediumCorroborated · 4 reports
Longest window with at most k distinct values
Given an array and an integer k, return the length of the longest contiguous window containing at most k distinct values. Follow-up: return the window itself, and handle a streaming input where you cannot revisit earlier elements.
Last seen Aug 19, 2026Study: Core coding patterns → - DebuggingMediumCorroborated · 3 reports
Fix the failing test in an unfamiliar repo
You are given a repository you have never seen and one failing test. Locate the defect, explain the root cause before changing anything, and add a regression test that would have caught it.
Last seen Aug 27, 2026Study: Debugging unfamiliar code → - ML designHardCorroborated · 4 reports
Cut p99 serving latency in half
An inference service meets its p50 target but misses p99 by 3x. Walk through how you would diagnose it, then which of batching, caching, quantisation, or admission control you would reach for and why.
Last seen Aug 27, 2026Study: ML systems → - BehaviouralMediumCorroborated · 8 reports
Describe a project where you were wrong
Walk through a technical decision you argued for that turned out badly. What was the earliest signal you missed, and what do you now do differently at that stage?
Last seen Aug 11, 2026Study: Behavioural and scope →
Interviewed at Anthropic recently?
Corroborating a question takes reports from people who did not interview together. Adding yours is what keeps this collection from drifting out of date.