— Java 8
— Spring: Core, MVC, Security, Data, Boot, Cloud
— Persistence frameworks: Hibernate, JPA
— Elasticsearch 5+
— Restful services (REST)
— RDBS: Mysql Database
— High load systems — Big+
— Unit and Integration testing
— Strong debugging and troubleshooting skills
— Miscellaneous: Maven, Git
— Groovy — Big+
— intermediate+ of English