Airbnb CodeSignal assessment interview

Questions Airbnb asks in this round 6

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  Banking system with transfers, cashback and account mergesCodingBuild an in-memory banking system in four levels. Each level adds methods, and every earlier method must keep working. Every call takes a timestamp in milliseconds as its first…

  Last asked Sep 2026Were you asked this too?
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  Cloud storage with user quotas and backupsCodingDesign an in-memory cloud storage service. The interview has four parts. Each part adds methods, and every earlier method must keep working. Implement a class CloudStorage. File…

  Last asked Sep 2026Were you asked this too?
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  Task manager with user quotas and expiring assignmentsCodingBuild an in-memory TaskManager in four levels. Each level adds methods to the same class, and you move to the next level only after the current one passes. Every method takes an…

  Last asked Sep 2026Were you asked this too?
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  Shift grants with promotions that start next entryCodingTrack workers clocking in and out, apply promotions starting from the next office entry, and total granted bonuses across overlapping work sessions. - Level 1: addworker(id…

  Last asked Aug 2026Were you asked this too?
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  Anthropic OA: leveled in-memory record storeCodingA timed, multi-level exercise building an in-memory store of records with fields: create and read first, then scans and filters, then timestamps with expiry, then backup and…

  Last asked Oct 2026Were you asked this too?
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  Recipe manager with ingredient searchCodingBuild an in-memory recipe book. Each recipe has a name, an ordered list of ingredients and an ordered list of steps. The work comes in two parts; finish part 1 before you start…

  Last asked Jul 2026Were you asked this too?