Need an engineer who can build a solution where we an download a video file and stream it from file system to HTML Player. The downloaded video file should include Ads from third party Ad servers The content video file should be downloadable along with ingested Ads and then played on Web/Mobile. We need someone who has in-depth experience with Videos standards and codecs.The engineer would have integrated VAST2/3 Ads with any third party Ad Server including OpenX. We might also build a branded HTML player. We like to work with individual engineers and do not want to work with any company or agency. Experience with Google Media Source API which will soon become part of W3C would be great.