Serverless architecture plays a pivotal role in e-commerce by enabling tremendous scalability and cost-efficiency. It allows businesses to automatically handle massive traffic spikes during sales events like Black Friday without over-provisioning resources, as they only pay for the actual computation used. This approach significantly accelerates development cycles, letting teams focus purely on business logic rather than infrastructure management. Furthermore, serverless is ideal for event-driven tasks such as processing orders, resizing product images, or sending real-time notifications, ensuring a responsive and robust customer experience. Its pay-as-you-go model and inherent elasticity make it a strategic choice for modern, agile e-commerce platforms seeking optimal performance and reduced operational overhead.