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From the employer's careers site First seen 7 Nov 2026

AI Research Intern (PhD)

Salary

$67-$69 per hour

Apply on Duolingo

Description

Our mission at Duolingo is to develop the best education in the world and make it universally available.

You will join a team that cares about educating users, experimenting with big ideas, making fact-based decisions, and finding innovative solutions to complex problems.

Responsibilities

  • Apply AI methods to massive real-world datasets
  • Prototype new models, evaluate with small-scale experiments, and 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 ambitious problems with the right tool for the task
  • Collaborate cross-functionally to bring ideas to life in the product
  • Identify problems, prototype solutions, evaluate their return on investment, and implement the best solution at scale to improve the lives of millions of learners

Requirements

  • Pursuing a PhD in artificial intelligence, machine learning, natural language processing, or a related field
  • Expected graduation 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++
  • A creative, interdisciplinary, and entrepreneurial approach to R&D
  • Strong debugging and critical thinking skills
  • 12-week consecutive availability between May 24, 2027, and August 13, 2027, or June 14, 2027, and September 3, 2027
  • Ability to relocate to Pittsburgh, PA or New York, NY

Benefits

  • 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 more

Salary

  • Hourly range: $67-$69 USD

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Skills

Required

Ready to apply?

You apply with the employer directly. Their original posting is here: https://job-boards.greenhouse.io/duolingo/jobs/8928712002

Apply on Duolingo