Just two years ago, Jason Ropell’s job didn’t exist. Now, as worldwide head of motion pictures for Amazon Studios, he oversees production, distribution and marketing for all of the streaming giant’s original and acquired films, along with content licensed in the U.K., Germany and Japan. Since leaping into original film 18 months ago, Amazon Prime aggressively has built an ambitious slate, licensing tens of thousands of movies from all the major studios and partnering with theatrical distributors to first release in theaters — unlike its rival Netflix, which buys movies directly for its platform. Its slate has included more than a dozen titles in just the past year, including Woody Allen’s Cafe Society, Whit Stillman’s Love & Friendship, the Oscar-shortlisted documentary Gleason and, in its biggest success, awards favorite Manchester…