Hi, i am good in Java and worked on several web, Desktop and android application as you requirement is of fix an Online Store so i can do this quick as i am good experience Professional having 6 years of experience in Software development and Enterprise System Integration on Java platform. I understand that you are looking for Expert, so I wanted to briefly introduce myself and let you know that
I have good Knowledge with Key Skills on Java, J2EE, Bootstrap, Angular JS, NodeJS, ExtJS, JavaFx, Web Services(SOAP,REST),Google App engine, Amazon Web services, PHP, JOOMLA,HTML, HTML5, CSS, Ajax, jquery, JavaScript, Mysql.
Also worked on Frameworks like JSF(Primefaces), Hibernate, JPA, Struts, EJB, Spring MVC, Spring Security. I am pretty sure that i will do it within the stipulated time. I will provide you a sharp and excellent service of your requirement.
Also worked on Online Stores so do understand the need and requirement so do let me know as i am looking forward to discuss.