Languages
Java, Scala, ES6, Groovy
Frameworks
Spring, Oracle Helidon, Mule ESB, Apache Akka, Apache Beam
Libraries/APIs
NodeJS, Hibernate
Platforms
AWS, Google Cloud Platform, Docker, Kubernetes, ELK Stack
Storage
Cassandra, Oracle, DynamoDB, Cloud Firestore, Redis
Other
oAuth, Application Security, RabbitMQ
Tools
Object Oriented Programming, Functional Programming, Gradle, Maven, Linux, Jenkins