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Senior iOS Software Engineer - job 2 of 2

New York, NY


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 most popular language-learning application in the world, with over 500 million users and over half a billion exercises completed daily. Beyond our core learning product, we have also entered into literacy with Duolingo ABC, English proficiency testing with the Duolingo English Test, and even Math.


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!


We have two different team opportunities:


Monetization Area:


  • You will work on our premium subscriptions—Super Duolingo and Duolingo Max—the key revenue drivers behind our business. Your contributions will touch packaging, pricing, and hooks for our subscriptions, and game mechanics such as Hearts and Gems. We're seeking engineers who are passionate about bottom-line business impact, and who bring fresh insights and a creative technical approach.
  • The Monetization Area focuses on Duolingo's key business drivers—subscriptions, ads, and in-app purchases. Our area's goal is to build the best premium experiences for our learners while ensuring the sustainability and success of our business model. 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.


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 iOS 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 iOS applications, primarily in Swift
  • Mentor and set technical direction for junior engineers across the company


You have...


  • A Bachelor’s degree in Computer Science or a related technical field
  • A solid foundation in computer science with strong competencies in data structures, algorithms, and software design
  • Programming experience in Swift


Exceptional candidates will have...


  • 5 years of programming experience in Swift
  • Strong technical knowledge of iOS mobile application development for iPhone/iPad using Swift with Cocoa Touch and related frameworks
  • Experience designing clean and maintainable APIs
  • Experience with multithreaded programming
  • Experience writing unit tests and testable code
  • Knowledge of iOS SDK performance tools and optimization techniques


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, $174,900 - $335,600. 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.

Free language education for the world

33 jobs
BADGES
Badge Future MakerBadge Global CitizenBadge Innovator
CULTURE VALUES
Inclusive & Diverse
Empathetic
Diversity of Opinions
Collaboration over Competition
Growth & Learning
Transparent & Candid
BENEFITS & PERKS
Medical Insurance
Dental Insurance
Vision Insurance
Maternity Leave
Paternity Leave
Mental Health Resources
401K Matching
Paid Time-Off
Social Gatherings
Equity
FUNDING
Beyond Series C
DEPARTMENTS
Software Engineering
SECTOR
Internet & Web Services
TEAM SIZE
201-500
LOCATION
Hybrid
DATE POSTED
September 11, 2023

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