Senior iOS Engineer- Identity Services
- Company
- Barclays
- Location
- Knutsford
- Job type
- Full Time
- Salary
- Negotiable
- Deadline
- 2026-12-18
Job description
Join us as a Senior iOS Engineer for Identity Services at Barclays, where you will build cutting-edge native iOS authentication and identity features that deliver seamless, secure experiences for millions of customers using our mobile banking app.
You'll work with the latest iOS technologies including biometric authentication, secure enclaves, and modern Swift frameworks, leveraging AI-assisted development practices to accelerate innovation, while partnering with backend engineers, security specialists, and product designers to create best-in-class mobile identity solutions.
To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues.
Responsibilities
- Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance.
- Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives.
- Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing.
- Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth.
- Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions.
- Implementation of effective unit testing practices to ensure proper code design, readability, and reliability.
Requirements
- ·
- Deep iOS development experience with deep expertise in Swift, iOS SDK, UIKit, and SwiftUI, with proven track record of delivering high-quality native iOS applications
- Solid understanding of Identity and Access Management concepts, authentication protocols (OAuth2, OIDC), and integration with IAM backend services via Android SDKs and REST APIs
- Proficiency in AI-assisted development tools to accelerate iOS development, improve code quality, and enhance debugging and testing processes
- Experience implementing authentication and identity features on iOS including biometric authentication (Face ID, Touch ID), keychain services, secure storage, and certificate pinning
- Experience with modern iOS development practices including MVVM/Clean Architecture, dependency injection, automated testing (XCTest, UI Testing), and CI/CD pipelines for mobile apps
- Expertise in secure mobile development practices including code obfuscation, runtime protection, jailbreak detection, and mobile application security testing
- Experience integrating with Ping Identity SDK to interface with IAM platforms on iOS, including implementing custom authentication journeys
- Experience with mobile DevOps, app store deployment processes, and feature flagging/gradual rollout strategies
- Knowledge of FIDO2/WebAuthn, passkeys, and passwordless authentication on iOS platform
- Background in performance optimization, memory management, and debugging complex iOS applications
- Familiarity with financial services mobile applications and understanding of regulatory requirements and security standards for banking apps
- You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen, strategic thinking and digital and technology, as well as job-specific technical skills.
- This role will be based out of our Knutsford or London offices with flexible hybrid working arrangements.