Problem
Design a scalable online payments system at Fiserv. How would you handle reliability, fraud checks, and failure recovery?
Practicing as: Software Engineer interview at FiservHi, I'll play your Fiserv interviewer for the Software Engineer role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.
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