Anthropic loop prep

OfficialAnthropicby Frontier Interview

The loop in order: why Anthropic, the leveled OA, the live practical screen and coding rounds, AI infrastructure design, then hiring manager, culture and project deep dive.

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  1. Recruiter screen on why Anthropic
    BehavioralReference answer: Frontier Interview's solution
  2. Anthropic OA: leveled in-memory record store
    CodingReference answer: Frontier Interview's solution
  3. Bank ledger with two-step transfers and merges
    CodingReference answer: Frontier Interview's solution
  4. Task manager with TTL expiry and time-travel snapshots
    CodingReference answer: Frontier Interview's solution
  5. Deduplicate files by size then content hash
    CodingReference answer: Frontier Interview's solution
  6. Image transform pipeline with a wall-clock budget
    CodingReference answer: Frontier Interview's solution
  7. Reconstruct call stacks from enter and exit traces
    CodingReference answer: Frontier Interview's solution
  8. Concurrent same-host web crawler
    CodingReference answer: Frontier Interview's solution
  9. Multi-step task with an LLM tool-use loop
    CodingReference answer: Frontier Interview's solution
  10. Fix a function-cache key function, then make it durable
    CodingReference answer: Frontier Interview's solution
  11. Distributed mode and median across worker shards
    CodingReference answer: Frontier Interview's solution
  12. Greedy longest-match tokenizer
    CodingReference answer: Frontier Interview's solution
  13. Batched LLM inference API over GPUs
    AI systemReference answer: Frontier Interview's solution
  14. One-on-one chat system with presence and offline queue
    System designReference answer: Frontier Interview's solution
  15. Critique a design doc from the team's backlog
    System designReference answer: Frontier Interview's solution
  16. Design a distributed AI model downloader
    AI systemReference answer: Frontier Interview's solution
  17. Design an AI prompt playground
    AI systemReference answer: Frontier Interview's solution
  18. Data platform with ingestion and governed access
    System designReference answer: Frontier Interview's solution
  19. Hiring-manager round on impact and collaboration
    BehavioralReference answer: Frontier Interview's solution
  20. Anthropic culture round: build your point of view on AI safety
    BehavioralReference answer: Frontier Interview's solution
  21. Project deep dive: present a project you led
    BehavioralReference answer: Frontier Interview's solution