"Strong knowledge of JS" in Laravel they are also useful will not be lost. If you want to grow in this company, better to start with WP corny more projects. Then I advise you to deal with the MVC (Model-View-Controller), if the course is not familiar. Then if you get tired of wordpress, you can move in the direction frameworkof if you're staying in this company then Laravel. Or you can score at all of these "imposing" and talk to the management in terms of what you want to do just the front and the other topics you are interested in, if you understand the rules, if not, now is a good specialists everywhere will take companies a lot of vacancies too. By the way the frontend is not as profitable or popular than the back.