Data Scientist, Intern (PhD)

Duolingo • Pittsburgh, NY

23h

About The Position

Duolingo is hiring a PhD Data Scientist intern to help advance its mission of making the best education in the world universally available. The intern will derive insights from data to influence product roadmaps and business results, apply advanced analytical approaches to model user behavior and assess potential product features, evaluate experiments, and share findings with senior management. The role also supports Duolingo’s culture of fact-based decision-making and involves collaboration with product and engineering teams. Applicants must be pursuing a PhD in a quantitative field and be able to relocate to Pittsburgh or New York City for the internship.

Requirements

• Be pursuing a PhD in a quantitative field and be at least in the third year of the PhD program.
• Have a strong understanding of consumer digital products and an interest in applying advanced analytics and economics to business outcomes.
• Have experience analyzing large datasets, communicating results to technical and non-technical senior-level audiences, and making actionable recommendations that improve a product or business.
• Be skilled in SQL, R or Python, and/or statistical methods for analyzing behavioral data.
• Show enthusiasm for learning and sharing analytical methods to support a collaborative Data Science team and data-forward company culture.
• Be able to relocate to Pittsburgh or New York City for the internship.

Nice To Haves

• Plan to graduate in Fall 2027 or Spring/Summer 2028.
• Experience with big data and cloud computing technologies such as BigQuery, Snowflake, and/or dbt.
• Experience articulating business questions and using available data to find answers that translate into product recommendations.
• Be a self-starter who wants to learn new techniques and guide others.
• Previous experience or internships in applied business settings.
• Familiarity with AI tools such as Cursor, prompt engineering, and a desire to continue innovating and learning in AI.
• A GPA of 3.5 or higher.
• A Duolingo streak.

Responsibilities

• Derive insights from data to influence product roadmaps and drive business results.
• Apply advanced analytical methods, structural approaches, causal inference, and/or machine learning and AI to model user behavior and estimate the impact of potential new feature implementations.
• Collaborate with product and engineering teams to develop solutions.
• Evaluate product experiments to create and improve user experiences.
• Communicate and present findings and recommendations to senior management.
• Help preserve a culture of fact-based decision-making as the company scales.

Benefits

• Language learning opportunities.
• Catered in-house lunches and breakfast.
• Company-wide Hackathon.
• PTO and company holidays.
• Frequent company-wide dinners, monthly celebrations, and social clubs.
• Intern benefits; applicants are directed to connect with their recruiter for details.

What This Job Offers

• Career Level: Intern
• Education Level: Ph.D. or professional degree