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
As a software engineer, you will work on a specific project critical to Duolingo’s needs, with opportunities to switch projects as we grow and evolve. We need our engineers to be versatile, display leadership skills, and be enthusiastic about tackling new problems across the full stack as we continue to innovate.
DET Test Scoring Team:
- As an engineer on the Test Scoring team for the Duolingo English Test, you will help advance the state of the art in language testing. You will work closely with AI researchers and assessment scientists to pioneer innovative and AI-driven ways to assess language ability while maintaining critical infrastructure and strengthening the test’s reliability. You will advance the team’s mission to lower barriers and increase opportunities for English language learners everywhere.
You will...
- Partner closely with engineers and AI researchers to develop innovative ways to assess language ability.
- Develop, release, and maintain web-based services and infrastructure.
- Define, own key test metrics, and advocate the best testing practices.
You have...
- Strong competencies in data structures, algorithms, and software design.
- Strong understanding of modern web development tools, knowledge of public cloud infrastructure (AWS, Google Cloud) , and CI/CD pipelines (Jenkins, Travis, GitLab).
- Organizational skills to design, plan, prioritize, drive, and successfully launch technical projects.
- Mentorship skills to bring along junior engineers.
Exceptional candidates will have...
- B.A./B.S. in Computer Science or a related field.
- Programming experience in Python; technical expertise in distributed systems, including microservices, databases, caching, and cloud services.
- Familiarity with test harnesses, measuring test effectiveness, effectively finding gaps in product code, and briefly presenting it to the community for further improvements.
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.
Take a peek at how we care for our employees' holistic well-being with our benefits here.
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:
$174,250—$294,000 USD
Top Skills
What We Do
Duolingo is a language-learning education platform that offers 98 total courses across nearly 40 distinct languages.
Duolingo is the world’s most popular way to learn a language. Our mission is to develop the best education in the world and make it universally available. Some of our products include:
1. Duolingo: The free, fun, and effective way to learn a language!
2. DET (Duolingo English Test): A modern language proficiency tool designed for today's international students and institutions. It offers an English proficiency score, video interview, and writing sample in an accessible, efficient, and secure testing experience.
3. Duolingo Math: An app that can make math be fun. For everyone. Students can focus on elementary math, which covers classroom topics, or adults can focus on brain training, which strengthens mental math skills and covers more advanced topics.
4. Duolingo ABC: An educational learning app that offers immersive lessons to teach preschool to second grade kids reading fundamentals.
Founded in 2011 by Luis von Ahn and Severin Hacker, Duolingo is the most downloaded education app in the history of the App Store and in 2019 became the top-grossing education app worldwide. The app has been awarded Apple's iPhone App of the Year and Android's Best of the Best.
Learning a new language used to be expensive; we believe it should be free. Over 1.2 billion people are learning a second language and most of them are learning English to improve their lives.
Learning a new language is hard; we believe it can be fun. We use bite-sized lessons that feel like playing a game to keep our learners motivated.
With over 500 million learners we have unprecedented data insights on how people learn. Our teams of language learning scientists, machine learning engineers, and AI experts use this data to constantly improve our effectiveness. We’re building a future in which the highest-quality education is accessible to all.
Duolingo has been named:
2022 Fast Company’s Best Workplaces for Innovators
2022 Fast Company 10 Most Innovative Education Company
2021 Forbes Best Startup Employers
2020, 2018, 2017, 2013 Most Innovative Company by Fast Company
2020 Best Machine Learning Startups for by Glassdoor
2018 Inc. Best Places to Work
2018 Entrepreneur Top Company Culture List
University Program Awards:
2022 Handshake Early Talent Award
2022 Untapped Top Internship Programs
2022 OneReq Internship Program Trailblazer Award
Why Work With Us
Our global team works together to make language learning fun, free, and effective for anyone who wants to learn, wherever they are. Best of all, you get to work alongside Duo (literally)!
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