I interviewed at doordash, they really pride themselves on being able to optimize when a driver gets to the place to get the order to maximize everyone's time and not have useless waiting. It's NOT an easy problem and they had a huge prediction engine per store/item.
Looking at problems naively it looks simple but it's -really- not that simple if you want it to do WELL.
Looking at problems naively it looks simple but it's -really- not that simple if you want it to do WELL.