Our mission at Duolingo is to develop the best education in the world and make it universally available. But we’ve got more left to do — and that’s where you come in!

Duolingo is the world's most popular learning app. Beyond our core learning product, we also offer English proficiency testing with the Duolingo English Test, and are bringing new subjects into the Duolingo app, where people can develop their Math and Music skills.

We are passionate about educating our users, making fact-based decisions, and finding innovative solutions to complex problems. We offer meaningful work, limitless learning opportunities, and collaboration with world-class minds. Come brighten your life and over half a billion more!

Note: This role is open to considering engineers across various levels (Senior, Staff, or Senior Staff). If moved forward, your recruiter will discuss in more details!

Read about the technical problems our Engineers work on  Below you can find more information about teams we're hiring for

Math team: 

As an Android engineer on the Math team, you will help build the technology that changes how people around the world learn Math. The features that you ship will help learners to develop core math skills in a fun, engaging way. We’re looking for engineers who love building new products and features.

Music team:

As an Android engineer on the Music team, you will help build the technology that changes how people around the world learn Music. The features that you ship will help learners to develop core music skills light sight reading and ear training in a fun, engaging way. We’re looking for engineers who love building new products and features and bring fresh ideas about teaching Music on mobile devices. Monetization Area: As an Android engineer in the Monetization Area, you will work on our premium subscriptions—Super Duolingo and Duolingo Max—the key revenue drivers behind our business. Your contributions will touch packaging, pricing, and hooks for our subscriptions, and game mechanics such as Hearts and Gems. We're seeking engineers who are passionate about bottom-line business impact, and who bring fresh insights and a creative technical approach. The Monetization Area focuses on Duolingo's key business drivers—subscriptions, ads, and in-app purchases. Our area's goal is to build the best premium experiences for our learners while ensuring the sustainability and success of our business model. You will play an instrumental role in the strategic direction of Duolingo by developing and refining the methods that make our monetization efforts more effective and efficient

Design Systems team:

At Duolingo we take great pride in our thoughtful and beautiful design language on web, iOS, and Android. The Design Systems team is modernizing our UI components to improve the consistency and cohesion across all of Duolingo’s learning experiences. Over the next year, the team is expanding to establish our first motion and animation systems to systemize and scale more of what makes Duolingo so delightful.

You Will...

Collaborate on software projects with product design and backend aspects Develop, release, and maintain native Android application features in Kotlin Mentor and set technical direction for junior engineers on the team

You Have...

A Bachelor’s degree in Computer Science or a related technical field Programming experience in Kotlin on Android The ability to communicate technical issues effectively to technical and non-technical stakeholders Ability to work from or relocate to New York, NY.

Exceptional Candidates Will Have...

A minimum of 5 years of programming experience building reactive Android apps Demonstrated self-direction, with a desire both to learn new techniques and mentor others Outstanding leadership and negotiation skills Experience designing clean and maintainable APIs Experience writing unit tests and testable code

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.