iOS Engineer (Customer & Marketing)

Company: ASOS
Apply for the iOS Engineer (Customer & Marketing)
Location: London
Job Description:

Overview

In this role you will help deliver high-quality, scalable iOS features for ASOS’s iPhone and iPad apps. You’ll work closely with designers to create accessible UIs and contribute to a mature platform where quality and user experience matter. You collaborate in an agile, cross-functional team, take ownership of your work, and help improve the codebase and test coverage. This role offers the chance to impact millions of customers and shape the customer experience through well-crafted mobile experiences.

Pay / Benefits

  • employee discount
  • employee sample sales
  • 25 days paid annual leave + celebration day
  • private medical care scheme
  • fixed annual payment
  • learning opportunities

Responsibilities

  • Deliver high-quality features and improvements following iOS best practices and guidelines
  • Collaborate with designers to implement accessible, well-crafted user interfaces
  • Work within an agile, cross-functional team and share responsibility for outcomes
  • Own your work and contribute ideas across the codebase
  • Support code quality, maintainability and testing to ensure reliable user experience

Key requirements

  • Experience building iOS applications using Swift and core iOS frameworks
  • Proficiency with Xcode, Interface Builder and Auto Layout for responsive UIs
  • Understanding of Apple Human Interface Guidelines and design principles
  • Knowledge of common software design patterns and architectures
  • Desire to write clear, maintainable code and improve existing codebases
  • Experience building apps for iPhone and iPad across screen sizes
  • Familiarity with unit testing and willingness to contribute to test coverage
  • Experience with UI automation tools, or eagerness to learn them
  • Collaborative mindset
  • Ownership and accountability
  • Attention to detail
  • Swift
  • iOS frameworks
  • Xcode

Posted: September 14th, 2026