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.

About The Role

In this role, you'll work closely with Duolingo’s Math team to deeply integrate AI into the math curriculum — reimagining how learners interact with concepts like arithmetic, algebra, and word problems. You’ll have the opportunity to design and ship AI-powered experiences that make math more intuitive, engaging, and personalized. Reporting to the engineering lead (with potential for evolving reporting lines), you’ll join a small, high-leverage group helping define how AI enhances learning at Duolingo.

We're particularly interested if you've previously built production-level apps, enhancing them with advanced AI techniques, and if you're skilled in comprehensive system evaluations—using both automated tools and human feedback to ensure top-notch performance.

You will...

Revamp the math session generator and integrate AI into the math curriculum to foster enhanced learning experiences.
Develop and implement cutting-edge AI features into production-level applications.
Conduct thorough system evaluations, leveraging both automated tools and human feedback, to guarantee superior product quality and performance.
Optimize AI algorithms to enhance their efficiency and effectiveness
Implement feature engineering to refine algorithm predictions and drive improved performance.

You have...

Bachelor's degree in Computer Science, Artificial Intelligence, or related field
Experience building production-grade apps with LLMs
Portfolio of projects demonstrating integration of AI into learning tools or platforms

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

$213,600—$384,000 USD

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 accommodations@duolingo.com.

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.

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