AI Research Engineer, New Graduate PhD

Our mission at Duolingo is to develop the best education in the world and make it universally available. It’s a big mission, and that’s where you come in!

At Duolingo, you’ll join a team that cares about finding innovative solutions to complex technical problems, running countless experiments (300+ at a time!) with our massive user base to make data-driven decisions, and educating our users and employees alike. You’ll have limitless learning opportunities, mentorship and collaboration with world-class minds, and a variety of projects with large scopes — while doing work that’s both fun and meaningful.

Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.

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

What we're looking for...

• You have an Ph.D. in computer science or related technical field (or expect to by August 2025)
• A portfolio of impactful work, in the form of (for example) publications, open-source projects, or AI internships
• Ability to relocate to Pittsburgh, PA
• A creative, interdisciplinary, and entrepreneurial approach to R&D
• Strong debugging and critical thinking skills

Why you'll love working here…

• Language learning opportunities
• Catered in-house lunches and dinner options
• Company-wide Hackathon
• PTO and company holidays
• Frequent company-wide dinners, monthly celebrations, social clubs, and so much more!

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

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.

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.

We post a multi-level salary range for all of our roles.

This is not inclusive of the rest of our awesome portfolio that includes equity compensation and world-class benefits. Our salary ranges are the same for all US locations. Your recruiter can share more details about the range for a specific level during the hiring process. The actual salary within the range is determined by many factors including but not limited to, skills, experience, education, and internal equity.

Salary Range: $150,000—$160,000 USD