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Role description

AI Research Intern (PhD)

DU
Duolingo University Recruitment
TypeInternship
SeniorityIntern
Salary$67–$69/hr
LocationNew York, NY · Pittsburgh, PA
Posted11/6/2026
Research

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 solution at scale to improve the lives of our millions of learners each day

✅  You Have...

  • Pursuing a PhD in artificial intelligence, machine learning, natural language processing, or related field
  • Graduation expected by August 2028
  • Contributions to research communities and efforts, including publishing papers at conferences such as ACL, CVPR, EDM, ICML, NeurIPS, etc.
  • A portfolio of impactful work, in the form of (for example) publications, open-source projects, or AI internships
  • Experience implementing AI systems in Python, Java, Scala, or C/C++ (i.e., not just R or MATLAB)
  • A creative, interdisciplinary, and entrepreneurial approach to R&D
  • Strong debugging and critical thinking skills
  • 12 week consecutive availability
    • May 24, 2027 - August 13, 2027
    •  June 14, 2027 - September 3, 2027
  • Ability to relocate to Pittsburgh, PA or New York, NY

⭐  What you can expect...

  • Language learning opportunities
  • Catered in-house lunches, and breakfast and dinner options
  • Company-wide Hackathon
  • PTO and company holidays
  • Frequent company-wide dinners, monthly celebrations, social clubs, and so much more!

 

Connect with your recruiter on the benefits for interns at Duolingo!

Hourly Range for this internship is:

$67—$69 USD

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Company info

DU

Duolingo

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