software design patterns , Algorithms, Kibana, Cassandra, Prometheus, Snmp Protocols, Grafana, Graylog, Docker, Debugging, Agile Development, data structures, Scala, Elk Stack, Redis, microservice architecture, Jenkins, Apache Kafka, Splunk, Restful Apis, Kubernetes, Akka, Problem-solving, GitHub Actions, GitLab CI, performance optimization, Apache Ignite