New York, New York, United States · On-site
$221k–$331k/yr
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 innovati…
Skills: Large Language Models, Multi-armed Bandits, Reinforcement Learning, Feature Engineering, Fine-tuning
Pittsburgh, Pennsylvania, United States · On-site
$221k–$331k/yr
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 innovati…
Skills: Large Language Models, Multi-armed Bandits, Machine Learning, Feature Engineering, Fine-tuning
New York, New York, United States · On-site
$152k–$228k/yr
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 educating our us…
Skills: Program Management, Cross-functional Leadership, Campaign Planning, Stakeholder Management, Risk Mitigation
Pittsburgh, Pennsylvania, United States · On-site
$152k–$228k/yr
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 educating our us…
Skills: Program Management, Cross-functional Leadership, Campaign Planning, Stakeholder Management, Risk Mitigation
Pittsburgh, Pennsylvania, United States · On-site
$183k–$275k/yr
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 educating our us…
Skills: Talent Management, Program Management, PMO Governance, Performance Management, Succession Planning
New York, New York, United States · On-site
$163k–$245k/yr
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 educating our us…
Skills: Product Marketing, Go-To-Market Strategy, Positioning, Audience Definition, Value Proposition
Beijing, Beijing, China · On-site
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 educating our us…
Skills: Android Development, Java, Python, Kotlin, Backend Development
New York, New York, United States · On-site
$152k–$228k/yr
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 educating our us…
Skills: Calendar Management, Executive Support, Travel Coordination, Stakeholder Management, Confidentiality
Pittsburgh, Pennsylvania, United States · On-site
$152k–$228k/yr
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 educating our us…
Skills: Calendar Management, Executive Support, Travel Coordination, Stakeholder Management, Confidentiality
New York, New York, United States · On-site
$143k–$193k/yr
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 educating our us…
Skills: Workato, HR Technology, Automation Governance, Workday HCM, iPaaS
Pittsburgh, Pennsylvania, United States · On-site
$143k–$193k/yr
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 educating our us…
Skills: Workato, HR Technology, Automation Governance, Workday HCM, Process Mapping
London, England, United Kingdom · On-site
$91k–$123k/yr
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 educating our us…
Skills: B2B Marketing, Institutional Marketing, Field Marketing, Event Strategy, Stakeholder Management
Special capital Region of Jakarta, Java, Indonesia · Remote OK
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 educating our us…
Skills: Business Development, Partnership Strategy, Negotiation, Stakeholder Management, Analytical Thinking
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Develop and train bandit models and large-scale neural networks to optimize the learning experience and business revenue. Collaborate with cross-functional teams and provide strategic leadership and mentorship within the Monetization group.
Requires an advanced degree in Computer Science or Engineering with proven experience as an AI research engineer specializing in LLMs or bandits. Must possess strong leadership skills and a deep understanding of ML frameworks and best practices.
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.
We are looking for an experienced AI Research Engineer to join our Duolingo Monetization team. The ideal candidate will have a proven track record as an AI research engineer, with extensive experience across various machine learning techniques including large language models, multi-armed bandits, and more. They will have experience at all levels of the ML stack, including feature engineering, developing training data, fine-tuning, reinforcement learning, quality evaluations, deployment, and monitoring. On the Monetization team, we’re building AI systems to improve the learning experience while driving our business, including deploying our research into bandit models to balance revenue and retention. Given the broad set of AI domains, broad experience in AI/ML is highly desirable.
The offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons. The posted range is subject to change in the future. For this role, base salary is supplemented by equity compensation. We encourage you to talk with your recruiter for more information related to compensation for this role!
Benefits: Take a peek at how we care for our employees' holistic well-being with our benefits here.
Job Alerts: Sign up for job alerts here.
Accommodations: 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 [email protected].
Equal Employment Opportunity: 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.
Fraud Warning: Unfortunately, there is a rise in scammers pretending to be real Duolingo employees. Duolingo and our employees will never ask for your Social Security number, bank details, or passport info, and we’ll never ask you to deposit a check, purchase equipment, or exchange money during the interview process. Real Duolingo employees always use an email that ends in @duolingo.com or @recruiting.duolingo.com. Stay alert and double-check these details before sharing any information.
Duolingo is the world's most popular way to learn a language.
Duolingo is the most downloaded education app in the history of the App Store. Our mission is to develop the best education in the world and make it universally available. Learning a new language is hard, but staying motivated is often the hardest part. That’s why we use fun, bite-sized, game-like lessons designed to keep you engaged and to drive real learning outcomes. Our approach is grounded in efficacy: we continuously test and improve our methods to ensure learners make meaningful progress. We also believe in democratizing education by offering an effective, high-quality free product. Developing a great free product is essential to our mission, ensuring that anyone with a smartphone can access learning that works. When it comes to utilizing AI tools, we have a golden rule: we use it when it clearly improves outcomes for learners. We don’t use it as a shortcut or a replacement for people, but as a tool to enhance learning experiences and efficacy. Duolingo has been named to: Fast Company’s Most Innovative Education Company (2026, 2022), Apple Design Award (2023), TIME100 Most Influential Companies (2023), Fast Company Best Workplaces for Innovators (2022), among others.
Offices: 5900 Penn Avenue, Pittsburgh, PA 15206, US · 150 Greenwich St, New York, NY 10007, US · 1525 11th Ave, Seattle, Washington 98122, US · East Gongxiao Building, 28 Guandongdian Street, Beijing, Chaoyang 100001, CN
Duolingo is the world's most popular way to learn a language.
Duolingo is the most downloaded education app in the history of the App Store. Our mission is to develop the best education in the world and make it universally available. Learning a new language is hard, but staying motivated is often the hardest part. That’s why we use fun, bite-sized, game-like lessons designed to keep you engaged and to drive real learning outcomes. Our approach is grounded in efficacy: we continuously test and improve our methods to ensure learners make meaningful progress. We also believe in democratizing education by offering an effective, high-quality free product. Developing a great free product is essential to our mission, ensuring that anyone with a smartphone can access learning that works. When it comes to utilizing AI tools, we have a golden rule: we use it when it clearly improves outcomes for learners. We don’t use it as a shortcut or a replacement for people, but as a tool to enhance learning experiences and efficacy. Duolingo has been named to: Fast Company’s Most Innovative Education Company (2026, 2022), Apple Design Award (2023), TIME100 Most Influential Companies (2023), Fast Company Best Workplaces for Innovators (2022), among others.
Offices: 5900 Penn Avenue, Pittsburgh, PA 15206, US · 150 Greenwich St, New York, NY 10007, US · 1525 11th Ave, Seattle, Washington 98122, US · East Gongxiao Building, 28 Guandongdian Street, Beijing, Chaoyang 100001, CN
