Question library
Questions from real interviews. Drill any of them by voice in a couple of minutes, with an interviewer, a score and feedback.
How would you build a test strategy for a new payment service from scratch?SeniorСпроектируйте сервис переводов по номеру телефона между клиентами банка: от нажатия кнопки «Перевести» до зачисления денег получателю.SeniorWrite a handler for creating a payment that takes an idempotency key and the payment data and returns the result. A repeat request with the same key must not charge the money a second time, even if two identical requests arrive simultaneously on different instances of the service; you have a database and an external payment provider.Senior