Product ArchitectureTechnical DiscussionSystem Design

Design a Payment Gateway processing system.

Was asked at

Practice this question with AI

First session is free - no credit card required.

Go Premium

More interviews, more skills, more success.

Practice More Questions

1 answer published. Last candidate submission on Jul 13 2026, 1:52pm PDT. Interview question asked to Software Engineers interviewing at Oath, Avant, CrossLend and other companies. Original question asked: Design a Payment Gateway processing system.. Question last reported by a candidate interviewing at Wise for a Software Engineer interview on Jun 1 2026, 5:51am PDT.