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Why don’t you Outsource to a Platform?

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Pyments How to Design Payment Applications in Python Alvaro Duran Senior Software Engineer - Fintech Kiwi.com

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Candidate: What payment options are supported? Interviewer: We can only use credit cards. — Every “Payment System Design” mock interview on Youtube

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Flexibility to Change to Adjust to Accommodate

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Move Slow And Leave Things Alone

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Playful > Effective

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Two Layers

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What is Common across Payments?

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How Can We Define Payments in terms of Technology?

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A Payment is a Promise made by an Authorized Party

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Identity_Management

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Identity_Management

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Sync_Async

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At Least Once Delivery /æt lɪst wʌns dɪˈlɪvəri/ To pester payment apps nonstop.

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Sync_Async

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Sync_Async

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Flexibility Composition Taxonomy-based Design

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django-acquiring

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Alvaro Duran Senior Software Engineer - Fintech, Kiwi.com [email protected] Money in Transit Newsletter news.alvaroduran.com code.kiwi.com