Duolingo

Senior Android Software Engineer

Pittsburgh, PA
USD 148k - 274k
Android Kotlin API
Description

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 most popular language-learning application in the world, with over 500 million users and over half a billion exercises completed daily. 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!

Learn more about our teams:

Application Stability and Performance team:

  • The Application Stability and Performance (ASAP) team ensures that Duolingo’s world-class education content is universally accessible, regardless of where our users are. Over the next year, the team is growing with a focus on optimizing our key learning flows on budget devices and in emerging markets.

Growth team:

  • The Growth Area focuses on attracting new users, retaining current users, and bringing users back to Duolingo. More users = more data (so we can teach better) and more paid subscribers (so we can invest in making the app even better, and keep the lights on!). Our area’s goal is to make Duolingo so fun and delightful that our learners stick around to make real progress and tell their friends all about it!

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 relocate to  Pittsburgh, PA

Exceptional Candidates Will Have...

  • 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 invest in and support our Duos! This role is eligible for a robust compensation package of base salary, equity, and Duolingo’s world-class benefits. The starting base salary range for this role is, $148,800 - $274,600. Actual salary may vary based on level, work experience, performance, and other factors evaluated during the hiring process.


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.

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