Mobile Engineer - IOS
Gymshark·Solihull, England, United Kingdom·Posted 28 September 2026
About the role
OVERVIEW: This role exists to build and maintain the iOS app that a large share of Gymshark customers shop through, at a standard that holds under peak load. You will turn refined product work into features that are shipped, tested and observable, and improves the quality of the code you touch. WHAT YOU'LL BE DOING: CRAFT Writes production Swift confidently. Most new work is SwiftUI; the app still contains UIKit that is being migrated, so both are relevant. Works effectively in a modular codebase. Understands why a type belongs in one module rather than another, and adds features without crossing module boundaries. Applies Clean Architecture and MVVM as standard, can explain the separation of concerns, and identifies where a pull request breaks it. Writes unit tests as part of the work rather than afterwards, and is comfortable building test doubles. Some of the team work test-first, and we want to increase that. Understands Swift concurrency sufficiently to avoid data races, and raises it when a problem exceeds their experience. Diagnoses production issues from crash reporting and analytics, and identifies the root cause independently. Treats performance, accessibility and app…
This is a summary of the advert. The full description and the application are on Gymshark's careers site.
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