AI Research Intern (PhD) — Scale Real-World ML & Papers

First Roles; New York (NY); On-site; USD 92,000 - 95,000; Full time

Benefits offered by this job

Catered lunches

Hackathon

PTO & holidays

Company dinners

Job summary

Duolingo is seeking an AI Research Intern (PhD) in New York, NY to work on real-world datasets and state-of-the-art AI methods. You will prototype models, evaluate experiments, and collaborate with researchers, engineers, and product teams to publish findings and drive features for millions of learners.

The role requires a PhD trajectory in AI/ML/NLP, strong publication history or portfolio, and hands-on experience with Python/Java/Scala/C/C++. Relocation to New York or Pittsburgh is possible.

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

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

PhD candidate

NLP/ML

Python/Java/Scala/C/C++

Research publications

Cross-functional collaboration

Education

PhD in AI/ML/NLP

Tools

Python

C/C++

Java

Scala

Job description

Duolingo is seeking an AI Research Intern (PhD) in New York, NY to work on real-world datasets and state-of-the-art AI methods. You will prototype models, evaluate experiments, and collaborate with researchers, engineers, and product teams to publish findings and drive features for millions of learners.

The role requires a PhD trajectory in AI/ML/NLP, strong publication history or portfolio, and hands-on experience with Python/Java/Scala/C/C++. Relocation to New York or Pittsburgh is possible.