AI Research Intern - Drive Global Education with Real Data

Duolingo; Lower Providence Township (PA); On-site; USD 92,000 - 95,000; Full time

Benefits offered by this job

Language learning opportunities

Catered in-house lunches, breakfast, &

Company-wide Hackathon

PTO & company holidays

Frequent dinners & social clubs

Job summary

Duolingo is seeking an AI/ML internship to apply state‑of‑the‑art methods to massive educational datasets. You’ll prototype models, evaluate through small experiments, and productionize solutions at scale with a cross‑functional team of researchers and engineers.

The role emphasizes practical impact on millions of learners worldwide. Expected PhD in AI/ML/NLP with graduation by Aug 2028, plus a portfolio of impactful work and strong Python/Java/Scala/C++ skills.

Qualifications

• 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 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

Responsibilities

• 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

Skills

Python

Java

Scala

C/C++

Education

PhD in AI/ML/NLP

Job description

Duolingo is seeking an AI/ML internship to apply state‑of‑the‑art methods to massive educational datasets. You’ll prototype models, evaluate through small experiments, and productionize solutions at scale with a cross‑functional team of researchers and engineers.

The role emphasizes practical impact on millions of learners worldwide. Expected PhD in AI/ML/NLP with graduation by Aug 2028, plus a portfolio of impactful work and strong Python/Java/Scala/C++ skills.