Staff Android Engineer, Client Architecture

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

 Client Architecture Team:

• As an engineer on the Client Architecture team, you’ll be responsible for evaluating and setting the direction of Android architecture. This includes continuing to evolve our MVVM architecture, the exploration and integration of modern technologies like coroutines and Jetpack Compose, and leading the adoption of these across a large-scale Android organization.

  You will...

• Represent the team in architectural discussions and stakeholder conversations, serving as a bridge between Client Platform and Product feature teams
• Work within our Client Platform area to create and maintain the foundational building blocks of our application infrastructure
• Foster a culture of engineering excellence and mentor engineers of all experience levels
• Explore, prototype, and implement improvements to our existing application architecture to enable engineers to build stable, performant, and well-tested product features

  You have...

• Strong Android software engineering experience, developing scalable production software and an excellent command of engineering fundamentals
• Deep expertise in Kotlin and coroutines concurrency primitives
• Proficiency in native Android development using standard tools and frameworks

  Exceptional candidates will have...

• Knowledge of Android SDK performance tools and optimization techniques
• Experience developing and leading long-term technical strategy
• Deep understanding of testing best practices
• Working knowledge of modern AI tooling