Senior Android Software Engineer

12 Months ago • 5 Years + • $148,800 PA - $274,600 PA

Job Summary

Job Description

Senior Android Engineer for Duolingo, build learning technology, Kotlin experience required, relocate to NYC.
Must have:
  • Kotlin Experience
  • Android Development
  • Software Projects
  • Technical Communication
Good to have:
  • Reactive Android
  • API Design
  • Unit Testing
  • Leadership Skills
Perks:
  • Equity Compensation
  • World-Class Benefits

Job Details

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!

Learn more about our team:

Learning R&D Area:
  • As an Android engineer in the Learning R&D Area, you will develop next-generation education technology that changes how people around the world learn on their mobile devices. We’re looking for engineers who bring fresh ideas from all areas of computer science, including natural language processing, machine learning, large-scale system design, and Android mobile app development.
  • The Learning R&D Area works on improving the learning experience of our users with new bets, technologies, and features, that fill the learning gaps in our product. Our goal is to make Duolingo the best way to level up your language skills, regardless of your proficiency level.

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 or work in our New York office.

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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About The Company

Duolingo is the world’s most popular way to learn a language. Our mission is to develop the best education in the world and make it universally available.


Founded in 2011 by Luis von Ahn and Severin Hacker, Duolingo is the most downloaded education app in the history of the App Store and in 2019 became the top-grossing education app worldwide. The app has been awarded Apple's iPhone App of the Year and Android's Best of the Best.


Learning a new language used to be expensive; we believe it should be free. Over 1.2 billion people are learning a second language and most of them are learning English to improve their lives.


Learning a new language is hard; we believe it can be fun. We use bite-sized lessons that feel like playing a game to keep our learners motivated. 


With over 500 million learners we have unprecedented data insights on how people learn. Our teams of language learning scientists, machine learning engineers, and AI experts use this data to constantly improve our effectiveness. We’re building a future in which the highest-quality education is accessible to all. 


Duolingo has raised US $138 million from investors including Union Square Ventures, Capital G (formerly Google Capital), NewView Capital, Kleiner Perkins Caufield & Byers, Drive Capital, Ashton Kutcher and Tim Ferriss.


Duolingo has been named to: BuiltIn's Best Places to Work (2023), Fast Company Best Workplaces for Innovators (2022), Fast Company 10 Most Innovative Education Company (2022), Best Machine Learning Startups for by Glassdoor (2020), Forbes' "Next Billion Dollar Startups" (2019), CNBC's Disruptor 50 (2018, 2019), Fortune's "Change the World" list (2019), TIME Magazine's Genius Companies (2018), Fast Company's "Most Innovative Companies" (2017, 2018, 2020), Inc.'s "Best Places to Work" (2018), Entrepreneur's "Top Company Cultures" (2018).

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