Senior iOS Engineer - Global-Scale, Security-Focused Apps

Experis; Cumbernauld; On-site; GBP 70,000 - 110,000; Full time

Job summary

Experis is seeking a Senior iOS Developer to join a leading cyber software client to design, develop and evolve iOS applications at global scale. You’ll work across the full development lifecycle, collaborating with product, engineering, and QA to deliver secure mobile experiences.

You’ll bring proven iOS development experience, strong Swift/Objective-C skills, familiarity with MVVM/clean architecture, and a focus on performance and security in a fast-moving environment.

Qualifications

• Proven experience as an iOS Developer with shipped production apps.
• Strong knowledge of Swift, Objective-C, and the iOS SDK.
• Experience with modern iOS architectures (MVVM, Clean Architecture).
• Solid understanding of CS fundamentals and security considerations.

Responsibilities

• Design, develop, and deliver new features iOS applications at global scale.
• Lead the implementation of custom iOS features.
• Collaborate with Product Managers, Tech Leads, and QA to plan, build, and ship features.
• Ensure high standards of quality, performance, and security.
• Debug, track, and resolve defects; contribute to L3 support when required.
• Help drive innovation within the iOS platform and development practices

Skills

iOS development

Swift

Objective-C

iOS SDK

MVVM

Clean Architecture

CS fundamentals

mobile security

performance optimization

Apple HIG

Xcode

TestFlight

App Store Connect

Git

CI

Jira

Confluence

problem-solving

Tools

Xcode

TestFlight

App Store Connect

Git

CI

Jira

Confluence

Job description

Experis is seeking a Senior iOS Developer to join a leading cyber software client to design, develop and evolve iOS applications at global scale. You’ll work across the full development lifecycle, collaborating with product, engineering, and QA to deliver secure mobile experiences.

You’ll bring proven iOS development experience, strong Swift/Objective-C skills, familiarity with MVVM/clean architecture, and a focus on performance and security in a fast-moving environment.