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 world's most popular learning app. Beyond our core learning product, we also offer English proficiency testing with the Duolingo English Test, and are bringing new subjects into the Duolingo app, where people can develop their Math and Music skills.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!Read about the technical problems our Engineers work on Below you can find more information about teams we're hiring forMusic Team:As an iOS engineer on theMusic team, you will help build the technology that changes how people around the world learn Music. The features that you ship will help learners to develop core music skills light sight reading and ear training in a fun, engaging way. We're looking for engineers who love building new products and features and bring fresh ideas about teaching Music on mobile devices.Math Team:As an iOS engineer on theMath 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.Monetization Area:As an iOS engineer in theMonetization 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 efficientTime Spent Learning Team:As an iOS engineer on theTime Spent Learning Team, you will work on making Duolingo fun and engaging. This includes improving our existing gamification features such as Leaderboards, Daily Quests, and XP boosts, as well as creating new ones. The features that you ship will motivate learners to learn a bit more each day, helping them reach their proficiency goals faster. We're looking for engineers who care about our learners' outcomes and love building out new features.You will...Collaborate on software projects with product design and backend aspectsDevelop, release, and maintain native iOS applications, primarily in SwiftMentor and set technical direction for junior engineers across the companyYou have...A Bachelor's degree in Computer Science or a related technical fieldA solid foundation in computer science with strong competencies in data structures, algorithms, and software designProgramming experience in SwiftExceptional candidates will have...5 years of programming experience in SwiftStrong technical knowledge of iOS mobile application development for iPhone/iPad using Swift with Cocoa Touch and related frameworksExperience designing clean and maintainable APIsExperience with multithreaded programmingExperience writing unit tests and testable codeKnowledge of iOS SDK performance tools and optimization techniquesWe 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, $148,800- $274,600. 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 theDuolingo Applicant Privacy Notice .
