Senior Android Engineer

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.

Below you can find more information about the teams we're hiring for:

Subscription Crossgrades Team:
As an Android engineer on the Subscription Crossgrades Team, you’ll build features that help learners discover and subscribe to the Duolingo plan that best fits their goals. Our team’s mission is to make subscription purchases convenient, compelling, and clear, so that learners can unlock Duolingo’s most powerful tools for long-term success. You’ll work on improving how we present subscription options across the app, highlight the value of our offerings, and craft delightful, high-impact conversion moments. We’re looking for engineers who are passionate about creating seamless, user-centered purchase flows and subscription experiences.

🧠  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
  
  

⭐  Exceptional candidates will have...

• Strong programming experience building reactive Android apps
• Demonstrated self-direction, with a desire both to learn new techniques and mentor others
• Experience designing clean and maintainable APIs
• Experience writing unit tests and testable code