There is a hint at a job posting for their Visual Data Team here: http://www.linkedin.com/jobs2/view/6994300 http://www.linkedin.com/jobs2/view/6994300 They as

There is a hint at a job posting for their Visual Data Team here: http://www.linkedin.com/jobs2/view/6994300 http://www.linkedin.com/jobs2/view/6994300 They ask for Experience in Javascript, JQuery, CSS, HTML, XML, HTML5 Experience in QGis, ArcGIS , Google Maps Api and large government open data APIs Expertise in standard design tools (Illustrator, InDesign, Photoshop) Also: source code references D3