We have around 7+ years experience in Java/J2EE development. We have experience in both frontend tech stack (HTML,CSS,ExtJS, Dojo, d3.js, AngularJS,NodeJS,ExpressJS and Javascript) and J2EE tech (Struts, Spring, JSF etc), DB like (MySQL, Oracle, MSSQL server,PostgreSQL MongoDB)
We have lots of experience with REST API, JSON programming and XML programming also.
I have experience in creating D3 charts like bar charts, pie charts, line graphs, stacked bar charts. Some sample of my work in attached in my portfolio