Senior iOS Engineer — Global-Scale, Secure Apps

Experis; Basingstoke; 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 to build and evolve iOS applications. You’ll be hands-on across the full development lifecycle—from feature design through App Store release—collaborating with product, engineering, and QA to deliver secure, high-quality mobile experiences.

The role requires proven iOS experience with shipped production apps, strong Swift and Objective-C skills, and familiarity with MVVM or Clean Architecture.

Qualifications

• Proven experience as an iOS Developer with shipped production apps.
• Strong knowledge of Swift, Objective-C, and the iOS SDK.
• Experience with MVVM or Clean Architecture and solid CS fundamentals.
• Knowledge of mobile security, performance optimization, and Apple HIG.
• Experience with Xcode, TestFlight, App Store Connect, Git, CI, Jira and Confluence.
• Proactive, problem-solving mindset in a fast-moving environment.

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

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 build and evolve iOS applications. You’ll be hands-on across the full development lifecycle—from feature design through App Store release—collaborating with product, engineering, and QA to deliver secure, high-quality mobile experiences.

The role requires proven iOS experience with shipped production apps, strong Swift and Objective-C skills, and familiarity with MVVM or Clean Architecture.