Charts jobs

For an on-going project, we are looking for an expert in chart coding (integration of numerous charts in an application). D3, Google charts, Highcarts…Free options preferred. Design very important. Histograms, barcharts with tooltips, pies, bubble charts, streamgraphs, sunburst, scatterplot, sequence sunburst, normal distribution, show reel... Please provide examples of work done, previous ...

I have a problem with [login to view URL] + donut chart implementations. The problems are 1) Data Labels should be lied and justified into the wheel (between inner and outer line) 2) Another label in center of inner wheel Please advice with this, I have another big projects for selected freelancer.

I've 5 dyno plots that I would like plotted on one single graph so I can easily compare.

I am trying to render charts in multiple tabs, however the charts sizes do not render correctly. Forums mention about destroying rendering and then reloading when a tab is opened. I'm unsure how to fix so looking for cheats quote to fix.