Platform Engineering at Shopify has evolved significantly since its inception in 2016, driven by the need for a unified toolset and deployment strategy across its vast infrastructure, particularly during high-demand events like Black Friday and Cyber Monday. Under the leadership of Aparna Subramanian, Shopify has developed a layered platform model that supports rapid scaling and deployment, handling up to 58 million requests per minute during peak times. Kubernetes serves as the backbone of Shopify’s operations, with 400 clusters managing both stateless and stateful workloads. The internal developer platform is designed to promote self-service, with application developers responsible for their code and platform engineers overseeing infrastructure. This division of responsibilities ensures efficient troubleshooting and collaboration. Despite initial challenges in balancing flexibility and abstraction, Shopify's platform now provides meaningful defaults and encourages developer contributions to continuously improve the system. Preparing for peak traffic involves meticulous planning, capacity estimation, and resilience testing, with automation playing a crucial role in handling unexpected surges.