This document summarizes the evolution of a company's cloud native applications on a Kubernetes stack from 2018 to present. It started with 1000+ Kubernetes nodes hosting 18K pods and handling 650 requests/second across 2 cloud providers. Over the years, the company expanded its use of Kubernetes, added more applications, services, and tools for monitoring, logging, ingress control, and more. It now aims to improve developer experience, continue migrating infrastructure services to Kubernetes, and implement its first FinOps tool.