Özlem Tanrıkulu is a Cloud and DevOps Engineer specializing in Kubernetes, cloud-native infrastructure, and FinOps. Creator of Burn, an open-source Kubernetes FinOps CLI focused on cost allocation, waste detection, and cloud billing reconciliation. Maintains and supports high-performance computing (HPC) infrastructure at the NEU IBM Center. Speaker at SREday London 2026 and SREday Amsterdam 2026.
A few months ago, I found myself looking at a Kubernetes cost report and a cloud invoice side by side. The numbers didn’t match. Not because of a bug or a calculation ...