Mid-size engineering teams, typically consisting of 100 to 1000 developers, face unique challenges such as maintaining agility, managing resource costs, and ensuring security while scaling up operations, which can lead to bottlenecks, technical debt, and coordination issues. Implementing robust continuous integration and continuous deployment (CI/CD) pipelines is crucial for these teams to maintain startup-like agility and enterprise-grade reliability by standardizing workflows, automating testing and security checks, and optimizing resource management. CircleCI offers a specialized CI/CD platform designed to address these challenges, providing flexible compute options, intelligent resource management, and enterprise-grade security features. By focusing on CI/CD, CircleCI helps mid-size teams scale effectively without compromising on speed or security, offering tools and support to optimize pipelines, maintain consistent standards, and manage costs efficiently.