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Barclays

Senior Native iOS Engineer

Barclays

. Design, develop, and improve software providing business, platform, and technology capabilities .

Posted 10/23/2026full-timeNorthampton • United KingdomSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in developing native iOS applications using Swift, SwiftUI, and UIKit, while applying secure coding practices and test-driven development methodologies. Proven ability to collaborate within multidisciplinary agile teams and influence technical direction to achieve business and technology goals.

Highest-signal resume keywords
Native iOS Application DevelopmentSwift ProgrammingMVVM ArchitectureTest-Driven DevelopmentCI/CD Pipeline Support

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
SwiftSwiftUIUIKitMVVM ArchitectureCombineSwift ConcurrencyUnit TestingAutomated UI TestingCocoaPodsApplication Performance Monitoring
Soft Skills
CollaborationCommunicationStrategic ThinkingProblem SolvingInfluencing Stakeholders
Industry Keywords
Mobile Application SecurityFinancial ServicesRegulated EnvironmentsDigital TransformationAgile Teams

Tech Stack

Tools & technologies
iOSSwift

About the role

Key responsibilities & impact
  • Design, develop, and improve software providing business, platform, and technology capabilities
  • Develop and deliver high-quality, scalable, maintainable, and performance-optimized software solutions
  • Contribute to the design, development, and evolution of secure, scalable, and accessible native iOS applications
  • Influence technical direction and contribute to engineering standards
  • Collaborate with product managers, designers, engineers, product partners, stakeholders, and multidisciplinary agile teams
  • Participate in code reviews and promote code quality and knowledge sharing
  • Stay informed about technology trends and contribute to technology communities
  • Apply secure coding practices to mitigate vulnerabilities and protect sensitive data
  • Implement unit testing and automated UI testing practices
  • Contribute to platform-wide improvements and digital transformation goals
  • Lead or guide collaborative assignments and team members through structured assignments
  • Consult on complex issues and advise People Leaders on escalated issues
  • Identify and mitigate risks and strengthen controls
  • Analyze data from multiple internal and external sources to solve problems
  • Communicate complex information and influence stakeholders to achieve outcomes

Requirements

What you’ll need
  • Extensive experience developing native iOS applications using Swift across SwiftUI and UIKit
  • Knowledge of MVVM architecture, coordinator-based navigation, and protocol-oriented design
  • Experience with modular, feature-based architectures
  • Experience with reactive and asynchronous programming using Combine and Swift Concurrency (async/await)
  • Experience applying test-driven development, unit testing, test doubles, and automated UI testing
  • Understanding of mobile application security requirements within regulated environments
  • Experience designing accessible digital experiences
  • Experience supporting CI/CD pipelines, coordinating multiple build configurations, and maintaining internal dependencies using CocoaPods
  • Experience developing financial services or other regulated applications
  • Knowledge of application performance monitoring, analytics instrumentation, and continuous service improvement practices
  • Experience collaborating across multidisciplinary agile teams
  • Ability to meet critical expectations in risk and controls, change and transformation, business acumen, strategic thinking, digital and technology, and job-specific technical skills