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How did John Mosquera ensure the scalability of the Stripe payment system?
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John Mosquera designed the payment system with scalability in mind by using modular Python libraries to abstract API interactions. This made it easier for developers to incorporate payment functionalities into various parts of the application, ensuring the system could handle growth and increased transaction volumes. John Mosquera ensured scalability by using modular Python libraries and a robust architecture, enabling the Stripe payment system to handle increased transaction volumes and future growth.