URGENT Convert ANIMATION into interactive Video HTML5

I need a series of animation videos to be translated into HTML5 in order to be interactive. The video is 15 mins long and it requires an aproximate of 50 interactive actions. Most of them simple "next" or "back" buttons. The candidates will have to make a Test adding 5 simple buttons at a piece of the video straight away. First one to acheive it gets the job. I am looking for someone to work longterm aproximately for another 15 projects in the following 4 months.