The AI Research Engineer role at Duolingo is quite broad, with responsibilities ranging from engaging with the research community via publishing papers and attending conferences, to bringing the latest advances in AI to our product by collaborating with our research scientists and software engineers. Research engineers work on unique problems at the forefront of educational technology, including modeling learner proficiency, offering insightful feedback to our learners, extending our content and tooling to other languages, securing the Duolingo English Test against malicious behavior, and more.

Research engineers are expected to both innovate and implement. As such, we look for applicants with both an accomplished research portfolio as well as a strong software engineering background. AI research engineers often own projects from end-to-end, beginning with ideation, data collection, R&D, and culminating in putting your work in front of our learners.

You Will…

  • 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
  • Share your findings both within Duolingo as well as to the broader research community

You Have…

  • A creative, interdisciplinary, and entrepreneurial approach to R&D
  • Strong debugging and critical thinking skills


  • M.S./Ph.D. in machine learning, AI, computer science, or a related technical field
  • 2 years of industry experience
  • Outstanding interpersonal communication and organizational skills
  • Experience implementing AI systems at scale
  • Ability to relocate to New York, NY or Pittsburgh, PA

Exceptional Candidates Will Have…

  • 5 years of post-doctoral and/or industry experience
  • Experience mentoring or managing junior scientists or engineers
  • A strong publication record

We invest in and support our Duos! This role is eligible for a robust compensation package of base salary, equity, and Duolingo’s world-class benefits. The starting base salary range for this role is, $166,500-$273,000. Actual salary may vary based on level, work experience, performance, and other factors evaluated during the hiring process.

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