This talk is given in French. In 2020 we faced an important challenge: reboot a project from scratch and think again the architecture and technologies chosen two years ago. This talk explains why we chose Symfony + API-Platform + Mercure in order to build a fast and scalable application, easy to improve and maintain. The objective was to recode 4 years of work in 6 months. Context: for the last couple of years, two in-house developers were in charge of developing an API entirely in NodeJS + GraphQL. NodeJS seemed a good choice at that… _______________ More info: https://api-platform.com/con/2021/ Twitter: https://twitter.com/ApiPlatform Music credits: Passion stuff by Lux-Inspira