iOS Engineer — Scale Global Mobile Experiences (Swift)

ASOS.com; Greater London; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Employee discount

Sample sales

25 days leave

Discretionary bonus

Private medical care

Flexible benefits

Learning opportunities

Job summary

ASOS is seeking an iOS Engineer to join the Customer Experience team, building mobile experiences used by millions of customers worldwide. You’ll work on the UK’s iconic fashion app, using Swift, Xcode and modern iOS technologies in a collaborative, cross‑functional environment.

You’ll join engineers, product managers and designers to deliver features from concept to launch, maintaining performance, accessibility and maintainability as we scale our mobile platform.

Qualifications

• Experience building iOS apps with Swift and core frameworks.
• Proficient in Xcode, Interface Builder and Auto Layout.
• Follows Human Interface Guidelines and platform design principles.
• Willing to write clean, maintainable code and improve codebase.
• Experience with testing and test coverage.
• Experience across iPhone and iPad screen sizes.

Responsibilities

• Build high‑quality features for millions of customers.
• Develop scalable, reliable iOS apps with best practices.
• Collaborate with Product Managers, Designers and Engineers.
• Work in cross‑functional agile teams to deliver on ideas.
• Own your work and contribute ideas to improve products.
• Support quality, performance, accessibility and maintainability.
• Participate in evolving the iOS platform as we scale.
• Learn from experienced engineers and share knowledge.

Skills

Swift

iOS development

Xcode

UI design principles

Unit testing

UI automation

Architectural patterns

Testing culture

Tools

Xcode

Interface Builder

Auto Layout

Job description

ASOS is seeking an iOS Engineer to join the Customer Experience team, building mobile experiences used by millions of customers worldwide. You’ll work on the UK’s iconic fashion app, using Swift, Xcode and modern iOS technologies in a collaborative, cross‑functional environment.

You’ll join engineers, product managers and designers to deliver features from concept to launch, maintaining performance, accessibility and maintainability as we scale our mobile platform.