CME Group is seeking a Senior Platform Engineer to design, develop, and maintain scalable and reliable platform infrastructure that supports critical trading systems. The role involves collaborating with cross-functional teams to implement cloud-native solutions using technologies such as Kubernetes, Docker, and AWS. Candidates should have extensive experience in platform engineering, automation, and cloud infrastructure, along with strong programming skills. This is a full-time position based in Chicago, offering an opportunity to contribute to a leading global markets company.