Job Application for AI Research Intern (PhD) at Duolingo University Recruitment

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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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Rewriting the Code

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To fulfill our mission of developing the best education in the world and making it universally available, we seek exceptional talent for every role. We recruit candidates from diverse backgrounds. To help us evaluate our hiring process for equitability, we invite U.S. applicants to share their demographic information. Participation in this survey is voluntary and confidential. Participation will not affect any hiring decisions or outcomes.

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AI in Hiring: Duolingo uses AI technology to assist in our hiring process. We want to be transparent about how we use this technology and your rights. We use Greenhouse Software's Talent Matching feature to assist with reviewing applications for the skills and experience we have decided are important for this role.

How it works:

Talent Matching reviews your resume and responses to application questions to determine the extent to which your qualifications match the job requirements selected for this role. These requirements and their desired weighting are established by our recruiters in collaboration with hiring managers.
All Talent Matching output is reviewed by our recruiting and hiring teams, who make the final decision on each application. Talent Matching does not automatically disposition any candidate or make hiring decisions.

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AI Research Intern (PhD)

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