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# iOS Engineer

- **Company:** Ust View All Jobs
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Apple IOS, App Store (IOS), Microsoft Azure, Interoperability, Mobile Application Software, Performance Tuning, Privacy Controls, Concurrency, Backend, Cocoapods, Enterprise Integration, Objective C++, Xctest
- **Published:** June 21, 2026
- **Apply:** https://www.careerjet.co.uk/jobad/gb6292b2ed8a9bd34397cd840c351240a4

## About the Role

* Strong experience as a Senior / Principal iOS Engineer (minimum of 6+ years)
 * Proven track record building and maintaining reusable iOS SDKs/frameworks
 * Expert in Swift (Concurrency, Combine) with Objective-C interoperability
 * Experience with SDK distribution (XCFrameworks, SPM, CocoaPods)
 * Strong understanding of iOS security (Keychain, Secure Enclave, App Attest, certificate pinning)
 * Knowledge of privacy standards (ATT, Privacy Manifests, data minimisation)
 * Experience with performance optimisation and testing (Instruments, XCTest)
 * Familiarity with Azure / backend integration (Java-based platforms) is a plus, java,detection system,backend development,fraud detection,cloud computing

## Description

We're hiring a Principal iOS Engineer to lead the design and delivery of a Mobile SDK modernisation programme within a large-scale platform environment.
You'll own the iOS architecture, define SDK design standards, and build enterprise-grade components focused on security, performance, and scalable distribution., * Lead iOS architecture and technical design for SDK development and modernisation

 * Define best practices for SDK distribution, testing, and security
 * Build and validate POCs aligned to target enterprise architecture
 * Design reusable SDKs consumed by external mobile applications
 * Ensure compliance with privacy, App Store, and regulated environment standards
 * Mentor engineers and drive coding, API, and quality standards


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