Duolingo
Data Scientist, Intern (PhD)
Pittsburgh, PA +3 · Internship · Posted Oct 15, 2026
- Location
- Pittsburgh, PA
New York, NY
New York, New York, United States
Pittsburgh, Pennsylvania, United States - Experience
- Previous experience analyzing large datasets and making product or business recommendations; no specific number of years stated.
- Education
- Pursuing a PhD in a quantitative field; at least third year. Ideally planning to graduate in Fall 2027 or Spring/Summer 2028.
About the job
Uses data science and advanced analytics to understand user behavior, evaluate product experiments, and guide Duolingo’s product decisions and business outcomes.
What you'll do
- Analyze data and model user behavior using advanced analytical methods, causal inference, machine learning, and AI to inform product roadmaps.
- Evaluate product experiments and collaborate with product and engineering teams to improve user experiences.
- Present findings and recommendations to senior management and support fact-based decision-making.
What they ask for
- Pursuing a PhD in a quantitative field and be at least in the third year of the program.
- Experience analyzing large datasets, communicating results to technical and non-technical senior-level audiences, and making actionable recommendations.
- Skilled in SQL, R or Python, and/or statistical methods for behavioral data.
- Able to relocate to Pittsburgh or NYC for the internship.
Nice to have
- Experience with BigQuery, Snowflake, and/or dbt; applied business experience or internships.
- Familiarity with AI tools such as Cursor and prompt engineering.
Pay
$63—$65 USD hourly range
Tools
SQL, R, Python, BigQuery, Snowflake, dbt, Cursor
AI focus
Apply machine learning and AI to model user behavior and estimate the impact of potential features; familiarity with AI tools and prompt engineering is a plus.
Model-written summary · the original posting is authoritative