> Markdown version of [/jobs/ext/3848108-senior-ios-engineer](https://www.wearedevelopers.com/jobs/ext/3848108-senior-ios-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior iOS Engineer - **Company:** Opal - **Location:** Manchester, UK (Remote available) - **Experience:** Expert - **Salary:** £60,000.0 - £85,000.0 - **Contract:** Permanent contract - **Skills:** A/B Testing, Artificial Intelligence, Data Analysis, Apple Mac Systems, App Store (IOS), Uikit, Swiftui, Swift (Programming Language) - **Published:** October 21, 2026 - **Apply:** https://www.totaljobs.com/job/senior-ios-developer/opal-job108177509 ## About the Role * 5+ years building iOS apps, with work you can show live in the App Store * Deep Swift, SwiftUI, UIKit and Combine. You are comfortable across the iOS toolchain * An eye that catches the details other people ship past * Your own workflows for working with AI, which you keep sharpening for yourself and your team * Experience at an early-stage or fast-growing startup, where you owned more than your job title * Comfort with ambiguity and a bias toward resolving it yourself * A view on what makes a feature succeed, not just what makes it work Bonus * MacOS, WatchOS, WidgetKit and other Apple frameworks * Experience training or fine-tuning models * AB testing and analytics experience * Apps of your own in the App Store, built because you wanted them to exist * French ## Description * Bring your own ideas into the product, not just execute specs * Design and analyse AB tests, and act on what the metrics say * Improve our dev workflows, tooling and how the team works with AI * Work directly with design and product in a flat, collaborative structure * Support customers and stay close to what they're experiencing