Senior iOS Engineer — Build Secure, Global-Scale Apps

Experis

Southampton

On-site

GBP 70,000 - 90,000

Full time

8 days ago

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Job summary

Experis is seeking a Senior iOS Developer to join a leading cyber software client and help build and evolve iOS applications. You’ll be hands-on, covering the full development lifecycle—from feature design through App Store release—collaborating with product, engineering, and QA teams to deliver secure, high-quality mobile experiences.

You’ll design, develop, and deliver new features at global scale; lead custom iOS features; work with Product Managers, Tech Leads, and QA to plan, build, and

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 and data structures.
Understanding of mobile security and performance optimization.

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 architectures

CS fundamentals

Tools

Xcode

TestFlight

App Store Connect

Git

Jira

Confluence

Job description

You’ll design, develop, and deliver new features at global scale; lead custom iOS features; work with Product Managers, Tech Leads, and QA to plan, build, and

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