Platform engineering is an emerging discipline that focuses on creating and maintaining a unified technology platform to support diverse development and operations teams, enhancing the efficiency and scalability of software development. It aims to improve developer experience and operational efficiency by standardizing workflows, automating infrastructure management, and enabling developers to self-serve reliable tools from a centralized platform. Key components include building Internal Developer Platforms (IDPs), standardizing processes, setting internal service level agreements, and monitoring performance metrics. This approach reduces operational complexity and supports large-scale DevOps implementations by aligning development with business goals and managing complex toolchains. Platform teams play a crucial role in providing stable, secure environments for rapid development and delivery, which in turn accelerates innovation and market responsiveness. For organizations facing challenges such as resource management inefficiencies and integration issues, platform engineering can offer solutions by harmonizing operations, ensuring consistency, and promoting collaboration. However, smaller organizations or those in early development stages may not require a platform team due to their limited complexity and need for flexibility. CircleCI's tools for CI/CD are highlighted as essential for platform engineering, providing automation, standardization, and flexibility through infrastructure-as-code solutions and reusable components.