Shifeng Chen is a Full-Stack Developer with an undergraduate background in Computer science. His thesis is the reserach on the dynamic tracking of materials by RFID. He was a Java developer working on JavaEE technologies and web application development in Beijing and familiar with the framework like Spring, Struts, Hibernate and BootStrap. Since he immigrated to Canada, he started to work in application design, performance optimization, testing and troubleshooting as a PHP developer. Since he joined the OHIG team, he learned Python and AngularJS to work on the current Opal projects, improvement and maintenance of Opal App and Opal ADmin 1.0 & 2.0.