iOS Developer

Norton Blake Limited; City of Edinburgh; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Norton Blake Limited is seeking an experienced iOS Software Engineer focused on Mobile Security in Edinburgh. You will join a specialist team delivering secure mobile components, SDKs, and services including testing and consultancy to strengthen the security posture of enterprise apps.

The role emphasizes building scalable, secure iOS apps, collaborating across engineering teams to promote reusability, inner sourcing and high-quality engineering practices.

Qualifications

• Swift expertise with Xcode, Git, GitHub, XCTest and XCUITest.

Skills

Swift

Xcode

Git

GitHub

XCTest

XCUITest

MVVM

Modular architecture

SDKs

Swift concurrency

iOS production apps

Cross-team collaboration

Pair Programming

Test-Driven Development

Code Reviews

CI/CD

Automated Testing

Mobile security

GitHub Actions

Fastlane

Job description

Role: iOS Software Engineer (Mobile Security)

Agency: Norton Blake

Location: Edinburgh (Hybrid, 2 days onsite)

About the Opportunity

Norton Blake is partnering with a major enterprise client to hire an experienced iOS Software Engineer based in Edinburgh. You will join a specialised team accountable for security within the mobile channel, providing a suite of mobile security components that delivers an all-round security posture across mobile apps, alongside associated services such as penetration testing, obfuscation, and consultancy.

Your mission will be to build a scalable, adaptable, and proactive approach to securing mobile apps. In this role, you will enable mobile engineers across the wider organisation to operate with confidence and agility in an ever-evolving threat landscape. You will join colleagues who share a passion for delivering new features for customers in the mobile space.

What We Need from You (Essential Skills & Experience)

• Strong programming expertise in Swift, with hands-on experience using modern iOS development toolsets including Xcode, Git, GitHub, XCTest, and XCUITest.
• Deep understanding of modular app architecture, including frameworks-based modularisation and architectural patterns such as MVVM.
• Proficiency in building, maintaining, and integrating SDKs, ensuring they are scalable, well documented, and easy to consume across teams.
• Solid grasp of concurrency in Swift (e.g. async/await, GCD, Operations) and the ability to design performant, thread-safe solutions.
• Broad technical experience with a track record of delivering high-quality, production-scale iOS applications.
• Strong communication and collaboration skills, with the ability to work effectively across engineering teams to drive reusability, inner sourcing, and the reduction of technical waste.
• A strong advocate for engineering quality, leveraging practices such as Pair Programming, Test-Driven Development (TDD), Code Reviews, Continuous Integration, and Automated Testing.
• Knowledge of mobile security principles and best practice, such as secure storage, authentication flows, and safe handling of sensitive data.
• Experience with CI/CD pipelines for mobile, ideally with tools such as GitHub Actions, Fastlane, and automated build/test deployment processes.