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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 (https://blog.duolingo.com/tag/engineering/?utm\_source=greenhouse.com&utm\_medium=referral&utm\_campaign=engblog\_gh\_091224) , 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 Math Team:

+ As an Android engineer on the Math team, you will help build the technology that changes how people around the world learn Math. The features that you ship will help learners to develop core math skills in a fun, engaging way. We’re looking for engineers who love building new products and features.

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 New York, NY or 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

Read about the technical problems (https://blog.duolingo.com/tag/engineering/?utm\_source=careers.duolingo.com/?department=engineering&utm\_medium=referral&utm\_campaign=eng\_job\_description) our Engineers work on.

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:

$144,500 — $294,000 USD

Take a peek at how we care for our employees' holistic well-being with our benefits here (https://careers.duolingo.com/#benefits) .

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 [email protected].

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 (https://docs.google.com/document/d/e/2PACX-1vTX9GKeRMOMA9Vtm0vfGibrYPYz8ysl0Dg8KSXgj\_PxeT5ChsdnNZZWtpxu4t7xillTPGnngnKCjIbV/pub) .