Our mission at Duolingo is to develop the best education in the world and make it universally available. But we’ve got more left to do — and that’s where you come in!

Duolingo is the world's most popular learning app. Beyond our core learning product, we also offer English proficiency testing with the Duolingo English Test, and are bringing new subjects into the Duolingo app, where people can develop their Math and Music skills.

We are passionate about educating our users, making fact-based decisions, and finding innovative solutions to complex problems. We offer meaningful work, limitless learning opportunities, and collaboration with world-class minds. Come brighten your life and over half a billion more!

Duolingo is looking for a language assessment scientist with the desire and ability to support validity and efficacy research. You will join the Duolingo English Test’s growing research team and contribute to the agile, ongoing research supporting our efforts to advance Duolingo’s mission through science.

You Will...

• Work with dedicated assessment scientists, engineers, and designers to bring ground-breaking assessment instruments to life
• Collaborate on studies related to the validity and efficacy of the Duolingo English Test
• Help to develop responsible AI standards and practices
• Disseminate Duolingo English Test research findings through blogs, technical reports, conference presentations (LTRC, AAAL, LARC, etc.), and peer-reviewed journals (Language Testing, Applied Linguistics, Language Assessment Quarterly, etc.)

You Have...

• Must have PhD in language testing, applied linguistics, educational measurement, or a related field
• 2-3 years of work experience in an education-related field (academia or industry)
• Must be proficient in R or Python to conduct data analysis
• Outstanding interpersonal communication and organizational skills
• Experience developing and/or conducting research on high-stakes language assessments, or other meaningful professional experience
• Research expertise and publication/presentation record in the field of language assessment
• Experience with large language models for content generation and a general knowledge of machine learning, natural language processing, and other technologies in language testing
• Familiarity with standard language proficiency frameworks (CEFR preferred)
• A desire to make the world a better place through technology
• Ability to relocate to NYC or Pittsburgh, PA

Exceptional Candidates Will Have...

• 5+ years of post-PhD experience working in an education-related field
• Outstanding skills in R and Python to conduct data analysis
• Relevant quantitative coursework and experience
• Experience with the design and development of computer-adaptive tests
• Proficiency in other programming languages

We will do everything we can within reason to make sure that your interview takes place in an environment that fairly and accurately assesses your skills. If you need assistance or accommodation, please contact your recruiter.

Take a peek at how we care for our employees' holistic well-being with our benefits here.

Duolingo is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

By applying for this position your data will be processed as per the Duolingo Applicant Privacy Notice.