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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.

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

Advanced Math Team:

The Advanced Math team uses AI to generate engaging, high-quality educational content for teaching advanced math concepts on Duolingo. We work in fast, prototype-driven cycles, leveraging large language models to push the boundaries of how learners experience math. As a newly-formed team, we’re building innovative tools that make even the most complex topics approachable and fun.

You will...

+ Collaborate on software projects with product design and backend aspects

+ Develop, release, and maintain backend services and/or infrastructure

+ Lead individual project priorities, milestones, and ensure we're always shipping

You have...

+ A Bachelor’s degree in Computer Science or a related technical field

+ Strong competencies in data structures, algorithms, and software design

+ Experience programming in Java, Python, or Kotlin

+ Solid understanding of one or more database technologies

Exceptional candidates will have...

+ Industry experience building high-traffic APIs using public cloud providers

We invest in and support our Duos!

Hourly Range for this internship is:

$148,800 — $274,600 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) .