cluster management , Tanzu Kubernetes (Tanzu K8s), containerization , Monitoring & Observability, Cards & Payments Domain, Clearing & Settlement, Java, Core Java, Helm, Docker, Apache Kafka, Kubernetes, SSIS, Etl, Data Integration, Distributed Systems, Performance Tuning, Payment Gateway Integration, Technical Leadership, Team Mentoring, Microservices Architecture, Event-Driven Architecture, Kafka Administration, Kafka Event Streaming, MSBI Administration, Data Pipeline Management, CI/CD, Kubernetes Deployment, Payment Processing, Transaction Lifecycle Management, Authorization, Secure Application Development, Engineering Management