Senior iOS Engineer

Infoplus Technologies UK; Bristol; On-site; GBP 45,000 - 60,000; Full time

Job summary

A leading mobile security firm in the UK is seeking an experienced mobile developer to enhance security features within mobile apps. The role emphasizes strong programming expertise in Swift and modern iOS development tools. Ideal candidates will have a solid understanding of modular app architecture and a track record of delivering high-quality production-scale applications. Strong communication skills are essential for collaboration across engineering teams. The company promotes a culture of engineering quality and innovation.

Skills

Strong programming expertise in Swift

Hands-on experience with iOS development toolsets

Deep understanding of modular app architecture

Proficiency in building and maintaining SDKs

Solid grasp of concurrency in Swift

Strong communication and collaboration skills

Advocate for engineering quality

Tools

Xcode

Git

GitHub

XCTest

XCUITest

Job description

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, leverag...