STRIPE SYSTEM DESIGN with MS Engineer

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Hey everyone! I’m a Software Engineer at Microsoft working on high-load distributed systems. Over the years, I’ve come across many system design solutions for Stripe aka Payment Gateway and I have seen a lot of crucial details missed there.

So today we will do the most complete and details system design solution for Stripe

We’ll cover:
How Cart Network (Visa, Mastercard) works, why do we need to use it
How the integration with bank and with card network works
How stripe handles 500 million payments per day (and we will design it)
How to do it highly availble, with use of replication and still linearizable (strongly consistent)


00:00 Intro
00:39 Payments Domain background
01:40 How Stripe moves funds from card to merchant
05:33 How Card Network (Visa, MC) works
07:25 Define Functional Reqs
10:06 Define Non-Functional Reqs
13:02 Satisfy Functional reqs
17:02 Avoid Double Charge (CAS)
20:28 Finishing Functional reqs
22:41 Non-Functional reqs
22:58 Scale APIs and Storages
26:53 High availability, CAP
29:07 Leader-Follower vs Leader-Leader vs RAFT
30:59 continue with High Availability
33:56 Improve architecture with Kafka
36:24 Deliver webhook at least once
37:18 Kafka scaling + availability
37:43 Handling spikes
38:36 Conclusion & Feedback