Piyush Diwan will share insights from a comprehensive project to optimize cloud costs across AWS and Kubernetes platforms, achieving over $100K in monthly savings. The session will cover the key challenges faced, including resource overprovisioning, stale assets, outdated architectures, and limited autoscaling, and how these were addressed through a series of optimization techniques. Topics include reclaiming unused and underused resources with AWS Resource Manager and custom scripts, rightsizing deployments using Kubernetes metrics, modernizing infrastructure by upgrading EBS volumes and instance types, implementing dynamic autoscaling through Karpenter and Horizontal-Pod-Autoscaling, and establishing robust tagging for better accountability and monitoring. Attendees will leave with actionable strategies and best practices for driving cost efficiency within their cloud infrastructure.