Ruark is a software engineer who utilises open source technologies and experience on big data, web services and integration. He has years of experience on Full Stack development using Java Technologies. And he is experienced on Spring, Spring MVC, Spring Boot, Spring Security, Tomcat, Hibernate, Hibernate Search, Maven, Postgresql, Gradle, Android, MySQL, Jenkins, AngularJS, API. Experience developing RESTful service, microservice and application integration. He also has a working background on .NET (C#).