> Markdown version of [/jobs/ext/728977-lead-ios-engineer-mobile-sdk-modernisation-lead-i-software-engineering](https://www.wearedevelopers.com/jobs/ext/728977-lead-ios-engineer-mobile-sdk-modernisation-lead-i-software-engineering). 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). --- # Lead iOS Engineer - Mobile SDK Modernisation ( Lead I - Software Engineering) - **Company:** UST - **Location:** Leeds, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Apple IOS, App Store (IOS), Software Quality, Code Review, Software Engineering, Management of Software Versions, Enterprise Software Applications, Ios Frameworks, Cocoapods, Api Design, Objective C++, Xctest - **Published:** June 29, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=92abe403a5a3ea5e ## About the Role Do you have experience in iOS development?, * Extensive hands-on experience in iOS development, including leading complex initiatives. * Proven track record designing, building, and maintaining reusable iOS SDKs/frameworks consumed by external applications. * Experience guiding teams through technical decision-making, code reviews, and engineering best practices. * Exposure to enterprise or regulated environments is advantageous. Technical Expertise: * Swift & iOS Architecture: Strong expertise in Swift (including async/await and Combine) with solid Objective-C interoperability, and experience designing clean, stable public APIs. * SDK & Framework Development: Proven experience building and distributing reusable iOS SDKs using XCFrameworks, Swift Package Manager, and/or CocoaPods, with an understanding of module stability and versioning. * Performance & Optimisation: Ability to manage application footprint, optimise performance (launch time, memory, binary size), and maintain compatibility across iOS versions. * Security & Compliance: Practical knowledge of iOS security best practices (e.g., Keychain, certificate pinning) and familiarity with privacy and App Store compliance requirements (e.g., ATT, data minimisation). * Platform Capabilities: Understanding of iOS background execution, device capabilities (e.g., sensors), and associated constraints around performance, battery, and privacy. * Testing & Quality: Strong testing practices using XCTest/XCUITest, with experience leveraging tools such as Instruments for performance analysis and diagnostics. * Build & Distribution: Experience with code signing, provisioning, and managing distributed binaries across environments. ## Description We are seeking a highly experienced Lead iOS Engineer to drive the technical design and implementation of our Mobile SDK modernisation programme. This role will play a critical part in defining the next-generation iOS architecture, shaping migration strategies, and establishing best-in-class engineering standards for scalable, secure, and enterprise-grade SDK development., * Lead the architecture and design of iOS SDKs for enterprise-scale mobile platforms. * Define and validate migration strategies toward modernised, future-ready SDK architecture. * Develop proof-of-concept solutions to de-risk and validate architectural approaches. * Establish and drive engineering standards across code quality, API design, testing, and distribution. * Collaborate with cross-functional teams to ensure alignment with platform, security, and compliance requirements. * Mentor engineers and promote a culture of technical excellence and continuous improvement. ## Related Videos - [Xcode development redefAIned](https://www.wearedevelopers.com/videos/100195-xcode-development-redefained) - [Unleash your web skills on native!](https://www.wearedevelopers.com/videos/122-unleash-your-web-skills-on-native) - [The perfect CI/CD React Native pipeline with Fastlane](https://www.wearedevelopers.com/videos/556-the-perfect-ci-cd-react-native-pipeline-with-fastlane) - [Introducing Kotlin Multiplatform in an existing project](https://www.wearedevelopers.com/videos/276-introducing-kotlin-multiplatform-in-an-existing-project) - [Harnessing Apple Intelligence: Live Coding with Swift for iOS](https://www.wearedevelopers.com/videos/1515-harnessing-apple-intelligence-live-coding-with-swift-for-ios) - [Scalable architecture for mobile apps](https://www.wearedevelopers.com/videos/275-scalable-architecture-for-mobile-apps) ## Related Articles - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Apple iOS vs. Web Apps affects us all - help the OWA to ensure you can release apps for everyone](https://www.wearedevelopers.com/magazine/389-apple-ios-vs-web-apps-affects-us-all-help-the-owa-to-ensure-you-can-release-apps-for-everyone)