iOS Engineer (Customer & Marketing)

We're ASOS, the online retailer for fashion lovers all around the world.

We exist to give our customers the confidence to be whoever they want to be, and that goes for our people too. At ASOS, you're free to be your true self without judgement, and channel your creativity into a platform used by millions.

Everyone needs some help showing up as their best self. We're Disability Confident Committed – let our Talent team know if you need any reasonable adjustments throughout the recruitment process.

Job Description

We’re looking for an iOS Engineer to join our Customer Experience team and help continue the success of our iPhone and iPad apps. This role is about delivering high‑quality, thoughtfully built experiences at scale, and working collaboratively to make products that customers genuinely value.

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
• Supporting code quality, maintainability and testing to ensure a reliable user experience

Qualifications

About you

• 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

Benefits

• Employee discount (hello ASOS discount!)
• Employee sample sales
• 25 days paid annual leave + an extra celebration day for a special moment
• Private medical care scheme
• Fixed Annual Payment in addition to your salary each year, it's just an extra thank you from us
• Opportunity for personalised learning and in‑the‑moment experiences that enable you to thrive and excel in your role.