This isn't a post about whether a 10x developer exists or not -- as you may have already guessed, this post's stance is there is such a thing as a 10x developer . For why the debate over its existence rages, see this post . For why great leadership skills have nothing to do with being a 10x developer, see this post . If you're still reading, you believe! That's a good thing, because it gives you hope that you'll at last get to the bottom of what constitutes a 10x developer. There'll be a quiz question at the end, so pay attention! Let's get started with a review. In Review First, recall the definition of a 10x developer: A '10x developer' is one that can take software from concept to production-ready in an order of magnitude less time than a peer of matching experience utilizing the same technologies and delivering the same functionality. Cast any other descriptions out of your mind. It isn't that your preconceptions are wrong ...