Ideal experience should be anywhere between 8 - 12 years of hands on experience in UI/UX environment.
Should have strong experience in - D3.js, Node.js, Angular.js, Dashboards, High level and Low level chart designing, etc
Very good hands on experience on Java Scripting, JSP, PHP experience
Experience with Various Charting Software
Experience Consuming Web Services on AWS/Cloud Computing Platform
UI Experience such HTML5, CSS3, XML, JSON
Understanding of Ajax, REST Web Services API
Designing of Dashboards Experience, etc