Online Assessment

Four-Level Banking System OA, Stuck on Level 3 at 440 Points

AirbnbSoftware Engineer · Online Assessment · Sep 2026

Level 1: Basic banking operations. Needs to support: Level 2: Top Spenders Requirement: rank accounts based on the total value of outgoing transactions Adds something like: Level 3: Scheduled Payments. The system needs to support: schedule payment accept payment The biggest trap here is the timestamp execution order. It's not just "store a record when schedule_payment is called" and that's it. Ev…

Shared by a candidate · reported Sep 2026. Interview formats change; use it as a guide, not a script.