Netflix, Dropbox, Slack, and Pinterest are all mature, profitable public companies. Not sure if they count as hype-fueled. I'd say you're letting your biases

Netflix, Dropbox, Slack, and Pinterest are all mature, profitable public companies. Not sure if they count as hype-fueled. I'd say you're letting your biases blind you. Netflix writes mature robust code, mostly in Java, and uses microservices.