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Duolingo

Senior Software Engineer, Android, Monetization

Beijing, China
Level
Senior

Not stated in the posting: salary, work type, visa.

Open. First seen 22 October 2026.

Apply on careers.duolingo.com →

About the role

Duolingo's standard text

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 educating our users, experimenting with big ideas, making fact-based decisions, and finding innovative solutions to complex problems. You’ll have limitless learning opportunities and daily collaborations with world-class minds — while doing work that’s both meaningful and fun.

Duolingo's standard text

Join our life-changing mission to develop education for our half a billion (and growing!) learners around the world.

Read our blog to learn more.

Duolingo's standard text

About the role...

The Monetization Pillar focuses on Duolingo’s key business drivers—subscriptions, ads, and in-app purchases. Our goal is to build the best premium experiences for our learners while ensuring the sustainability and success of our business model. As a senior Android Engineer, you will play an instrumental role in the strategic direction of Duolingo by developing and refining the methods that make our monetization efforts more effective and efficient. You'll work cross functionally with product, design, data science, machine learning, and ad operations.

Duolingo's standard text

🧠 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
Duolingo's standard text

✅ 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
Duolingo's standard text

⭐ 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

The offered salary is dependent upon several factors, including work experience, skills, and internal peer comparisons. The posted range is subject to change in the future. For this role, base salary is supplemented by equity compensation. We encourage you to talk with your recruiter for more information related to compensation for this role!

Salary Range:

Duolingo's standard text

¥804,949—¥1,088,971 CNY

Benefits: Take a peek at how we care for our employees' holistic well-being with our benefits here.

Job Alerts: Sign up for job alerts here.

Accommodations: 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 accommodations@duolingo.com.

Equal Employment Opportunity: 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.

Fraud Warning: Unfortunately, there is a rise in scammers pretending to be real Duolingo employees. Duolingo and our employees will never ask for your Social Security number, bank details, or passport info, and we’ll never ask you to deposit a check, purchase equipment, or exchange money during the interview process. Real Duolingo employees always use an email that ends in @duolingo.com or @recruiting.duolingo.com. Stay alert and double-check these details before sharing any information.

By applying for this position your data will be processed as per the Duolingo Applicant Privacy Notice.

What this role asks for

Standard for mobile roles

Android · Kotlin

Common in mobile postings at any company.

51% of this description is written for the role. The rest is Duolingo's standard text, folded away below.

Compared with Duolingo's other open jobs.

The team: Software Engineering HIRES STEADILY

This role is one of 15 open in Software Engineering. 2 were posted in the last 30 days and the oldest in January: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Machine Learning (6 of 15), iOS (5 of 15), Kotlin (4 of 15), LLM (4 of 15), Swift (4 of 15), AWS (3 of 15), Android (2 of 15)

OTHER ROLES ON THIS TEAM

From the team and dates on Duolingo's own job board.

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