AI Research Intern (PhD)

Duolingo·New York, NY; Pittsburgh, PA·Posted 6 November 2026

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About the role

Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in! At Duolingo, you’ll join a team that cares about educating our users, experimenting with big ideas, making fact-based decisions, and finding innovative solutions to complex problems. You’ll have limitless learning opportunities and daily collaborations with world-class minds — while doing work that’s both meaningful and fun. Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world. Read our blog to learn more. 🧠 You Will... Apply AI methods to massive real-world datasets Prototype new models, evaluate with small scale experiments, and/or productionize solutions at scale Work with a cross-functional team of world class researchers, engineers, and others to build new product features and/or publish state-of-the-art findings Solve our most ambitious problems with the right tool for the task Collaborate cross-functionally to bring your ideas to life in the product Identify problems, prototype solutions, evaluate their return on investment, and then implement the best…

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