AI Research Intern (PhD)

Duolingo University RecruitmentNew York, NY; Pittsburgh, PA

internPosted 6 Nov 2026

Skills in this posting

  • python
  • java
  • c++
  • scala
  • matlab
  • machine learning

About the role

<p>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!</p>

<p>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.</p>

<p>Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world. </p>

<p>Read <a href="https://blog.duolingo.com/?utm_source=greenhouse.com&utm_medium=referral&utm_campaign=generalblog_gh_091224">our blog</a> to learn more.</p>

<hr>

<p><strong>🧠  You Will...</strong></p>

<ul>

<li>Apply AI methods to massive real-world datasets</li>

<li>Prototype new models, evaluate with small scale experiments, and/or productionize solutions at scale</li>

<li>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</li>

<li>Solve our most ambitious problems with the right tool for the task</li>

<li>Collaborate cross-functionally to bring your ideas to life in the product</li>

<li>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</li>

</ul>

<p> </p>

<p><strong>✅  You Have...</strong></p>

<ul>

<li>Pursuing a PhD in artificial intelligence, machine learning, natural language processing, or related field</li>

<li>Graduation expected by August 2028</li>

<li>Contributions to research communities and efforts, including publishing papers at conferences such as ACL, CVPR, EDM, ICML, NeurIPS, etc.</li>

<li>A portfolio of impactful work, in the form of (for example) publications, open-source projects, or AI internships</li>

<li>Experience implementing AI systems in Python, Java, Scala, or C/C++ (i.e., not just R or MATLAB)</li>

<li>A creative, interdisciplinary, and entrepreneurial approach to R&D</li>

<li>Strong debugging and critical thinking skills</li>

<li>12 week consecutive availability

<ul>

<li>May 24, 2027 - August 13, 2027</li>

<li> June 14, 2027 - September 3, 2027</li>

</ul>

</li>

<li>Ability to relocate to Pittsburgh, PA or New York, NY</li>

</ul>

<p> </p>

<p><strong>⭐  What you can expect...<br></strong></p>

<ul>

<li>Language learning opportunities</li>

<li>Catered in-house lunches, and breakfast and dinner options</li>

<li>Company-wide Hackathon</li>

<li>PTO and company holidays</li>

<li>Frequent company-wide dinners, monthly celebrations, social clubs, and so much more!</li>

</ul>

<p><strong> </strong></p>

<hr><div class="content-pay-transparency"><div class="pay-input"><div class="description"><p><em>Connect with your recruiter on the benefits for interns at Duolingo!</em></p></div><div class="title">Hourly Range for this internship is:</div><div class="pay-range"><span>$67</span><span class="divider">—</span><span>$69 USD</span></div></div></div>

From Duolingo University Recruitment's careers page on Greenhouse. See the original posting. OneProfile isn't the employer and doesn't take applications; you apply on their site.

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