Staff Software Engineer

  • 5 days (37-42 days PTO)
  • Hybird Remote, Beijing

Posted 1 week ago

Sorry, this job is now closed.

Only considering candidates eligible to work in Beijing, China ⚠️

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.


About the role

We’re looking for founding members of the newly formed Asia Growth team. Your role will be to improve the Android user experience by leveraging your extensive experience to enhance the performance and efficiency of our Android app. This position offers an exciting opportunity to drive performance improvement initiatives that directly impact user experience and retention. Join us to make a significant impact on Duolingo’s key business metric DAU, worldwide!

icon-brain-16px  You will...
  • Quickly develop native Android application performance optimizations in Kotlin.
  • Collaborate closely with cross-functional teams to identify performance bottlenecks and implement solutions.
  • Perform experiment analysis on features and find opportunities for optimization.
icon-check-16px  You have...
  • A minimum of 5 years of programming experience in Android development with a strong focus on performance optimization.
  • Experience in developing world-class apps with stability, performance, and scalability in mind.
  • Demonstrated ability to diagnose and resolve complex performance issues, including memory leaks, UI lag, and slow network responses.
  • The ability to communicate technical issues effectively to technical and non-technical stakeholders.
  • A desire to make the world a better place through technology and education.
  • Ability to apply user insights, data, and statistical analyses to inform decisions.
  • A Bachelor’s degree in Computer Science or a related technical field.
  • Ability to work from or relocate to Beijing, China.

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

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.

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Duolingoduolingo.com

Our mission is to develop the best education in the world and make it universally available. As the most downloaded education app, Duolingo transforms language learning into an engaging and accessible experience for millions globally.

Working Week

We work 5 days per week but offer 37 days of vacation per year.

Our Vacation Policy

All employees get 20 days PTO (rising to 25 days after 5 years), 7 company holidays, a 2-week winter break and unlimited sick time. This means our team is off almost 2 months per year! p.s. parents also can take 5 hours a week for responsibilities like school events or daycare pick-up

Remote Working Policy

Duolingo supports flexible work arrangements that blend on-site collaboration with remote work options, ensuring employees can choose the environment that best suits their productivity and personal needs.

  • Pittsburgh
    2400

Company Benefits

  • Healthcare benefits including HDHP & PPO options
  • 16 weeks fully paid parental leave and parent hours
  • Medical, dental, vision coverage
  • Equipment allowance
  • Life & Disability Insurance
  • Access to training and development programs
  • Eligibility for a fully-paid 2-month sabbatical after 10 years
  • Mental health support with free therapy and coaching sessions

Desirable Skills and Experience

  • Kotlin
  • Performance optimization
  • Memory leak debugging
  • UI optimization
  • Network performance
  • Data analysis
  • Statistical analysis
  • Technical communication
  • Android development

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