Logging, Kafka, Automated Testing, Data Modeling, Incident Response, Elasticsearch, Java, Apis, Aws Services, Graphql, Query Optimization, Sdlc Concepts, metrics, Kubernetes, asynchronous processing, Relational Databases, observability, tracing, analytics platforms, fault-tolerant architectures, Transaction Management, cloud-native deployment patterns, production deployment monitoring, service-to-service communication, event-driven architectures, Caching, data persistence, CI CD pipelines