> Markdown version of [/jobs/ext/4679300-ios-engineer-customer-marketing](https://www.wearedevelopers.com/jobs/ext/4679300-ios-engineer-customer-marketing). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # iOS Engineer (Customer & Marketing) - **Company:** asos.com Ltd - **Location:** London, United Kingdom - **Salary:** £49,896 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, IOS Applications, Apple Xcode, Computing Platforms, App Store (IOS), Unit Testing, Code Coverage, Software Design Patterns, Human-Computer Interaction, Microsoft UI Automation, Responsive Web Design, Ios Frameworks - **Published:** November 12, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5961549574 ## About the Role * Experience building iOS applications using Swift and the core iOS frameworks * Comfortable working with Xcode, Interface Builder and Auto Layout to create responsive user interfaces * Understanding of Apple's Human Interface Guidelines and platform design principles * Knowledge of common software design patterns and architecture concepts * An interest in writing clear, maintainable code and improving existing codebases * Experience building apps that work well across iPhone and iPad screen sizes * Familiarity with unit testing and a willingness to contribute to test coverage * Experience with UI automation tools, or a desire to learn them ## Description Our app is used by over 8 million active users globally, maintains an excellent App Store rating, and is built using modern iOS technologies including the latest versions of Swift. You'll be contributing to a mature, well supported platform where quality, reliability and user experience matter. What you'll be doing * Delivering high quality features and improvements, following iOS best practices and platform guidelines * Working closely with designers to implement clear, accessible and well crafted user interfaces * Collaborating within an agile, cross functional team, sharing responsibility for team outcomes * Taking ownership of your work while contributing ideas and improvements across the codebase