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$177,700 – $240,400
Listed on Duolingo’s own careers site. You apply with them directly — we never stand between you and the employer.
What this role is
This is a senior-level iOS engineering role focused on monetization systems at Duolingo, either on the ads team building ad serving and in-product ad experiences, or the in-app purchases team handling the gem economy and cosmetics shop. The position suits experienced Swift developers who want to mentor junior engineers while working on high-impact product features at significant scale.
Our summary, not Duolingo’s wording. The full posting is on their site.
Skills this role names
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What they ask for
Required
- Bachelor's degree in Computer Science or related technical field
- Data structures and algorithms competency
- Software design fundamentals
- Swift programming experience
Nice to have
- Production-level Swift application experience
- Clean API design
- Multithreaded programming experience
- Unit testing and testable code practices
- iOS performance profiling and optimization knowledge