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# Senior iOS Engineer

- **Company:** Opal
- **Location:** Barcelona, Spain
- **Salary:** €55,000.0 - €70,000.0
- **Contract:** Permanent contract
- **Skills:** A/B Testing, Artificial Intelligence, Data Analysis, Apple Mac Systems, App Store (IOS), Uikit, Swiftui, Swift (Programming Language)
- **Published:** September 7, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=cb201e31dc6736c2

## 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


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- [From Zero to Mobile Developer in 45 Minutes With SwiftUI](https://www.wearedevelopers.com/videos/183-from-zero-to-mobile-developer-in-45-minutes-with-swiftui)
- [Bringing the power of AI to your application.](https://www.wearedevelopers.com/videos/1010-bringing-the-power-of-ai-to-your-application)
- [Mobile at a Crossroads: The Declarative UI App Revolution](https://www.wearedevelopers.com/videos/207-mobile-at-a-crossroads-the-declarative-ui-app-revolution)
- [Harnessing Apple Intelligence: Live Coding with Swift for iOS](https://www.wearedevelopers.com/videos/1515-harnessing-apple-intelligence-live-coding-with-swift-for-ios)

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