SpaceX engineers support the development of reusable rockets, spaceships & satellites. SpaceX has built the largest satellite constellation in the world (Starlink) with a goal to provide high-speed internet to over 3 billion people who don't have ac…

Duolingo is the most popular language learning application in the world, with over 300 million users and hundreds of billions of data points. We are passionate about educating our users, making fact-based decisions, and finding elegant solutions. If…