Senior iOS Engineer, Application Stability & Performance
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Job Location:
New York City, NY - USA
Monthly Salary:
Not Disclosed
Posted on:
30+ days ago
Vacancies:
1 Vacancy
Job Summary
Our mission at Duolingo is to develop the best education in the world and make it universally available. Its a big mission and thats where you come in!
At Duolingo youll 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. Youll have limitless learning opportunities mentorship and collaboration with world-class minds and a variety of projects with large scopes while doing work thats 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
As an iOS engineer on one of our Client Platform teams you will have the opportunity to build all the vital infrastructure and tools to ensure Duolingos iOS development can continue to be fast and efficient at scale.
Client Platform Stability and Performance:
- This team is charged with improving and maintaining the stability and performance of our Learning application across the Android and iOS platforms. The team builds and maintains the tooling that integrates metrics into our experiment analyses to automate finding code areas that need attention and leads architectural initiatives to reinvent the slowest parts of the app.
:brain: You will...
- Help teams measure and understand their performance as well as optimize existing features and functionality while evangelizing best practices
- Support engineers and partners from across the organization as they use the performance metric we provide and use these interactions to improve our roadmaps
- Use and develop tools like Instruments to analyze the performance resource usage and behavior of the application to identify and resolve performance bottlenecks
:check: You have...
- Deep expertise in Swift
- Proficiency in multithreading concurrency and synchronization primitives
- Deep understanding of ARC and memory management in iOS
- Proven experience in architecting and leading complex iOS projects at scale
- Strong problem-solving skills and a passion for tackling difficult challenges
:star: Exceptional candidates will have...
- Experience using Instruments to diagnose complex performance issues
We post a multi-level salary range for all of our roles.
This is not inclusive of the rest of our awesome portfolio that includes equity compensation and world-class benefits. Our salary ranges are the same for all US locations. Your recruiter can share more details about the range for a specific level during the hiring process. The actual salary within the range is determined by many factors including but not limited to skills experience education and internal equity.
Take a peek at how we care for our employees holistic well-being with our benefitshere.
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.
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.
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Required Experience:
Senior IC
Key Skills
- JProfiler
- Splunk
- Performance Testing
- Fiddler
- Apache
- HP Performance Center
- LoadRunner
- New Relic
- Scalability
- J2EE
- Java
- Scripting
About Company
Duolingo is the world's most popular way to learn a language. It's 100% free, fun and science-based. Practice online on duolingo.com or on the apps!
