Duolingo

Duolingo is the most popular language-learning application in the world, with over 500 million users and over half a billion exercises completed daily. Beyond our core learning product, we have also entered into literacy with Duolingo ABC and English proficiency testing with the Duolingo English Test. Our mission at Duolingo is to develop the best education in the world and make it universally available. Our security team is growing and we are looking for engineers with experience in AppSec and CloudSec. We are running a microservice architecture on AWS and GCP, managed with Terraform, which supports our multiple web applications, mobile apps on Android and iOS, and a desktop Electron app.