The System Design Newsletter | Neo Kim | Substack

System Design Playbook 🔥

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May 23 •

Most Popular

8 Reasons Why WhatsApp Was Able to Support 50 Billion Messages a Day With Only 32 Engineers

Aug 27, 2023 • Neo Kim

How PayPal Was Able to Support a Billion Transactions per Day With Only 8 Virtual Machines

Dec 26, 2023 • Neo Kim

How Stripe Prevents Double Payment Using Idempotent API

May 9, 2024 • Neo Kim

How YouTube Was Able to Support 2.49 Billion Users With MySQL

May 31, 2024 • Neo Kim

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The System Design Newsletter

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