Companies always focus on User Experience because customer satisfaction is what pays the bill. But it's 2015, we can have both a great User Experience and a great Developer Experience. React ecosystem is full of awesome developers who care about their DX. It's time to improve our daily experience, as developers, to also improve our customer's satisfaction. This talk will show many tools to have a better development experience (webpack, babel, eslint, etc..). We'll see different libraries for React that will improve development time and give us back the fun of doing front-end development.