Greetings!
Seeing is believing - please check my recent reviews and portfolios first.
I am proficient in data visualization, d3.js and I have already finished several smiliar projects before.
I am confident in my develop skills and big or middle project are no problem for me.
I just read your project description carefully, but still no enough for full understanding.
Please ping me soon, then we can discuss your project in detail and jump to start without time wasting.
I am always here to help you.
Regards