Senior iOS Engineer — Build Secure Global Apps

Experis; Liverpool; On-site; GBP 70,000 - 90,000; Full time

Job summary

Experis in the United Kingdom is seeking a Senior iOS Developer to join a leading cyber software client. You will be a hands-on engineer across the full lifecycle, delivering secure, high-quality iOS experiences for users worldwide.

You’ll design and implement features, collaborate with cross-functional teams, and help drive innovation while maintaining top security and performance standards.

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 CS fundamentals (algorithms, data structures).
• Knowledge of mobile security, performance optimization, and Apple HIG.
• Experience with Xcode, TestFlight, App Store Connect, Git, CI, Jira, and Confluence.

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

Swift

Objective-C

iOS SDK

MVVM

Clean Architecture

CS fundamentals

Apple HIG

Tools

Jira

Confluence

Git

CI

Xcode

TestFlight

App Store Connect

Job description

Experis in the United Kingdom is seeking a Senior iOS Developer to join a leading cyber software client. You will be a hands-on engineer across the full lifecycle, delivering secure, high-quality iOS experiences for users worldwide.

You’ll design and implement features, collaborate with cross-functional teams, and help drive innovation while maintaining top security and performance standards.