Duolingo is a multicultural, diverse group of people working to develop the best education in the world and make it universally available. Our award-winning team is a blend of designers, engineers, and researchers spanning machine learning to linguistics and cognitive psychology. With more than half a billion learners from around the world — from Bill Gates to schoolchildren in Guatemala — we have the world's largest collection of language-learning data at our fingertips! This allows us to build unique personalized learning systems using natural language processing and speech technology, uncover new insights about the nature of language and learning, and apply existing theories at scales never before seen. We are also committed to sharing publications and data with the broader research community. If you’re passionate about making a difference and want to work on interesting problems with awesome people, Duolingo may have your dream job...