Negotiable
Inside
Hybrid
City Of Bristol, England, United Kingdom
Summary: The iOS Engineer role in Bristol involves working within a team focused on mobile security, delivering features for various brands. The position requires strong programming skills in Swift and experience with modern iOS development tools. The engineer will be responsible for building and maintaining SDKs while ensuring high-quality, production-scale applications. This is a hybrid contract position lasting over six months and classified as inside IR35.
Key Responsibilities:
- Develop and maintain mobile security components for iOS applications.
- Utilize modern iOS development tools including Xcode, Git, and XCTest.
- Design and implement modular app architecture and frameworks.
- Build, maintain, and integrate scalable SDKs.
- Ensure performance and thread safety in Swift applications.
- Collaborate with engineering teams to promote reusability and reduce technical waste.
- Advocate for engineering quality through practices like TDD and automated testing.
Key Skills:
- Strong programming expertise in Swift.
- Experience with Xcode, Git, GitHub, XCTest, and XCUITest.
- Understanding of modular app architecture and architectural patterns like MVVM.
- Proficiency in concurrency in Swift (async/await, GCD, Operations).
- Experience delivering high-quality, production-scale iOS applications.
- Strong communication and collaboration skills.
- Knowledge of mobile security principles and best practices.
- Experience with CI/CD pipelines for mobile development.
Salary (Rate): undetermined
City: Bristol
Country: United Kingdom
Working Arrangements: hybrid
IR35 Status: inside IR35
Seniority Level: undetermined
Industry: IT
iOS Engineer Bristol, UK (3days/week) Hybrid 6+ months Contract – Inside IR35
About the team
Our team is accountable for security within the mobile channel. We provide a suite of mobile security components, that provides an all-round security posture in mobile apps including associated services (penetration testing, obfuscation, consultancy etc.). We’re passionate about our shared passion for delivering new features for customers across our brands 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 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.
Desirable Skills & Experience
- Knowledge of mobile security principles and best practices, 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.