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: Short Form Area: As an Android engineer in the Short Form Area, you'll build features that make up the core of the learning experience on Duolingo. Our short-form lessons are where learners spend the majority of their time on the app, and our area's mission is to make these sessions more effective and engaging. You'll work on adding new exercises that support our learners in practicing skills like recall and production in bite-sized formats, as well as creating other ways to help learners build foundational skills in a new language. We're looking for engineers who are passionate about improving how we teach. 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. Social Area: As an Android engineer on the Social Area, you'll build features to make social interactions a fundamental part of the core Duolingo experience. You will develop social features, own projects from end-to-end, iterate quickly based on experiments, and be a part of big bets that will help drive new rewards and deeper connections. The Social teams at Duolingo create ways for learners to engage socially, share their wins with each other, and get great rewards while learning. We're looking for engineers who are passionate about building fun, high-quality social experiences that will motivate learners. About the role 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 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: $177,700 $240,400 U ... (truncated, view full listing at source)