Senior iOS Engineer: Build Secure Apps at Global Scale

Experis; Preston; 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 in the UK. You will be hands-on across the full development lifecycle, designing features, and releasing via App Store Connect. You will collaborate with product, engineering, and QA teams to deliver secure, high-quality mobile experiences.

The role emphasizes iOS development with Swift and Objective-C, modern architectures, security considerations, and a proactive mindset in a fast-moving environment.

Qualifications

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

Responsibilities

• Design, develop, and deliver new features for 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.

Job description

Experis is seeking a Senior iOS Developer to join a leading cyber software client in the UK. You will be hands-on across the full development lifecycle, designing features, and releasing via App Store Connect. You will collaborate with product, engineering, and QA teams to deliver secure, high-quality mobile experiences.

The role emphasizes iOS development with Swift and Objective-C, modern architectures, security considerations, and a proactive mindset in a fast-moving environment.