Senior IOS Developer
$60,000–$65,000 year
On-siteStaines, England, United Kingdom
Job Summary
Design, develop, and maintain native iOS applications using Swift, collaborating with UX designers and backend developers to translate requirements into robust, accessible mobile experiences. Write clean, testable code following established patterns, implement CI/CD pipelines for automated builds, and integrate with RESTful APIs. Troubleshoot performance issues and production defects while ensuring WCAG 2.2 accessibility and GDS service standards. Conduct code reviews, manage App Store submissions, and contribute to architecture decisions within agile sprint cycles. Own the technical integrity of deliverables in a regulated, security-conscious UK government environment.
Required Qualifications
- Strong experience in native iOS development using Swift
- Solid understanding of iOS SDK, Xcode, and the Apple development ecosystem
- Experience with common iOS architectural patterns (e.g. MVVM, VIPER, Clean Architecture)
- Proficiency with iOS frameworks such as UIKit, SwiftUI, Combine, Core Data, or equivalent
- Experience writing unit tests, UI tests, and working with test-driven development practices
- Hands-on experience with CI/CD tools (e.g. Xcode Cloud, Fastlane, Jenkins, Azure DevOps)
- Understanding of RESTful API integration and networking best practices
- Familiarity with accessibility standards (WCAG 2.2) and building inclusive mobile interfaces
- Experience working in Agile or hybrid delivery models (Scrum, Kanban)
- Experience working in regulated, security-conscious, or high-assurance environments
Desired Qualifications
- Experience delivering mobile applications within a UK public-sector or government context
- Familiarity with GDS service standards, the Technology Code of Practice, and the GOV.UK Design System
- Experience with mobile analytics, crash reporting, and APM tools (e.g. Firebase, Dynatrace, App Center)
- Understanding of secure coding practices and mobile security frameworks (e.g. OWASP Mobile)
- Experience with mobile device management (MDM) or enterprise distribution
- Familiarity with cross-platform considerations, even if primarily native-focused
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