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Exactly-Once Payment Processing

Hard
CodingHash TablesQueueGraphsAsked 1 times

Problem

How would you architect a distributed payment processing service that guarantees exactly-once delivery for IDT fintech flows?

Practicing as: Software Engineer interview at IDT

Hi, I'll play your IDT interviewer for the Software Engineer role. Candidates describe these interviews as mixed and moderately difficult, so expect me to be professional and fair. Take your time with the question above and answer like we're in the room.

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