
Anthropic CodeSignal assessment interview
Round 2 of 8 · 7 questions reported
- Length
- 90 min
- Format
- Timed CodeSignal project in levels; the tests of one level must pass before the next one opens
- They grade
- How fast you build and then refactor while the earlier levels keep passing
- AI use
- No AI unless the instructions for the task allow it
- Heads-up
- Not every candidate gets it (referrals sometimes skip it). The score alone does not decide whether you move on.
Questions Anthropic asks in this round 7
- Anthropic OA: leveled in-memory record storeJul 2026 · sometimes
- Recipe manager with ingredient searchJun 2026 · sometimes
- Bank ledger with two-step transfers and mergesJun 2026 · sometimes
- Task manager with TTL expiry and time-travel snapshotsAug 2026 · rarely
- Simplified filesystem with paths and traversalMay 2026 · rarely
- Stepwise DNS resolver with aliasingMay 2026 · rarely
- Shift grants with promotions that start next entryMay 2026 · rarely
About the Anthropic CodeSignal assessment round
What does Anthropic ask in the CodeSignal assessment round?
The most asked: Anthropic OA: leveled in-memory record store, Recipe manager with ingredient search and Bank ledger with two-step transfers and merges. 7 questions reported in all.
How long is the Anthropic CodeSignal assessment round?
About 90 minutes.
What is the Anthropic CodeSignal assessment round like?
Timed CodeSignal project in levels; the tests of one level must pass before the next one opens. They grade: How fast you build and then refactor while the earlier levels keep passing.
Can you use AI in the Anthropic CodeSignal assessment round?
No AI unless the instructions for the task allow it.