E-commerce platforms face numerous challenges, such as the need for secure, scalable, and reliable applications, which are especially critical during peak shopping periods like Black Friday. The implementation of Continuous Integration and Continuous Delivery (CI/CD) addresses these challenges by automating software development processes, including code integration, testing, and deployment, to ensure efficient and safe updates. CI/CD pipelines enhance e-commerce software delivery by conducting automated security and performance checks, enabling zero-downtime deployments, and supporting rapid scaling and real-time updates to meet market demands. CircleCI is highlighted as a leading CI/CD platform that caters specifically to e-commerce needs, offering features like PCI DSS compliance support, advanced caching, and multi-region deployment. By adopting CI/CD, e-commerce teams can accelerate development cycles, maintain platform stability, and deliver secure, high-converting digital experiences without compromising on speed or security.