Online Assessment

A 90-Minute OA With a 4-Level Working Hours Register Problem

AirbnbSoftware Engineer · Online Assessment · Jul 2026

Time limit was 90 minutes, four levels total. Implement a Working Hours Register: employees badge in and out of the office, and the system records their working hours, with support for promotions, salary calculation, and bonus-period management. Level 1: Basic CRUD — add an employee, badge an employee in and out, query an employee's total hours worked. Level 2: Sort employees by hours worked and…

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