Golang, Cassandra, Maven, Spring Boot, Json, Java 8, Angular, Nosql, React, Javascript, Design Patterns, Docker, Python, AWS, Docker Swarm, Hadoop, Scala, Http, Kotlin, Redis, Css3, Spring, Gradle, Xml, Kubernetes, IO NIO, network communication, R, high availability systems, TCP IP protocol, Aliyun Cloud, Java multi-threading, REST specifications, high concurrency

Cloudformation, Linux Server Administration, Network Infrastructure, Terraform, Infrastructure Security, Virtualization Technologies, Infrastructure as Code, Infrastructure Monitoring, AWS Cloud Operations, Backup and Disaster Recovery, Tanium Platform Administration, enterprise storage, CMDB Governance