Senior iOS Engineer - Ads | Swift, Mentorship & Equity

Duolingo; Pittsburgh (Allegheny County); On-site; USD 178,000 - 240,000; Full time

Benefits offered by this job

Equity compensation

Job summary

Duolingo's Monetization pillar leads the systems behind ads, subscription packaging, and ML-driven personalization. As a Senior iOS Engineer on Ads, you will help scale the ads business and deliver high-quality, native iOS experiences that fit Duolingo's product.

You will collaborate cross-functionally with product, design, data science, and ad operations. The role emphasizes strong Swift expertise, iOS app development for iPhone/iPad, API design, and mentoring junior engineers, with equity

Qualifications

• Bachelor's degree in Computer Science or a related technical field.
• Solid CS foundation with data structures, algorithms, and software design.
• Programming experience in Swift.

Responsibilities

• 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.

Skills

Swift

iOS development

Multithreading

Unit testing

API design

Education

Bachelor's degree in Computer Science or related field

Tools

Xcode

Cocoa Touch

APIs

Job description

Duolingo's Monetization pillar leads the systems behind ads, subscription packaging, and ML-driven personalization. As a Senior iOS Engineer on Ads, you will help scale the ads business and deliver high-quality, native iOS experiences that fit Duolingo's product.

You will collaborate cross-functionally with product, design, data science, and ad operations. The role emphasizes strong Swift expertise, iOS app development for iPhone/iPad, API design, and mentoring junior engineers, with equity