iOS Engineer: Facts, Skills, and Next Paths

An iOS Engineer builds and maintains applications for Apple devices, primarily using Swift and SwiftUI. Day-to-day work includes developing new features, integrating with backend services via REST APIs, and ensuring apps follow Apple’s design guidelines for a smooth user experience.

Core responsibilities include writing clean, reusable code, collaborating with designers and backend engineers on product features, and fixing performance bottlenecks. For example, at Goldman Sachs, iOS engineers join the Marcus mobile development team to own features from concept to delivery, while at Speechify they work on a text-to-speech app used by over 50 million people. The role sits within engineering organizations that prioritize cross-functional teamwork and continuous learning.

The median salary for this role is about $142,500. The most-requested skills in current job postings are Mobile Development and iOS (100% of postings each), followed by Version Control (40%), CI/CD (30%), and Software Development (30%).