Senior iOS Engineer: Scale Secure Global Apps

Experis; Maidstone; On-site; GBP 65,000 - 90,000; Full time

Job summary

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

You’ll design, develop, and ship features, collaborate with product, engineering, and QA teams, and drive improvements in security, performance, and user experience. Apply to build secure iOS apps at global scale.

Qualifications

• Proven iOS development experience with shipped production apps.
• Strong knowledge of Swift and Objective-C.
• Experience with modern iOS architectures (MVVM, Clean Architecture).
• Solid CS fundamentals (algorithms, data structures).
• Understanding of mobile security, performance optimization, and Apple HIG.

Responsibilities

• Design, develop, and deliver iOS features at global scale.
• Lead 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.
• Drive innovation within the iOS platform and development practices

Skills

iOS development

Swift

Objective-C

MVVM

Clean Architecture

CS fundamentals

Security mindset

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. You will be hands-on across the full development lifecycle, delivering secure, high-quality mobile experiences for iOS users worldwide.

You’ll design, develop, and ship features, collaborate with product, engineering, and QA teams, and drive improvements in security, performance, and user experience. Apply to build secure iOS apps at global scale.