Senior iOS Engineer (Loyalty)

Sorry, this job was removed at 12:14 p.m. (CST) on Tuesday, Mar 10, 2026
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London, England, GBR
In-Office
eCommerce • Retail
The Role
Company Description

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. 

But how are we showing up? We’re proud members of Inclusive Companies, are Disability Confident Committed and have signed the Business in the Community Race at Work Charter and we placed 8th in the Inclusive Top 50 Companies Employer list.  

Everyone needs some help showing up as their best self. Let our Talent team know if you need any adjustments throughout the process in whatever way works best for you. 

Job Description

We’re looking for a Senior iOS Engineer to join our Loyalty Benefits team and help us build great experiences for our most loyal ASOS customers. You’ll work closely with a product manager, designer and backend engineers to bring new loyalty features to life in the iOS app, crafting smooth, reliable and thoughtfully designed user journeys that feel genuinely rewarding.

You’ll have plenty of influence on how we build things: shaping architecture, improving performance, and helping us make good, pragmatic technical decisions as the product grows. It’s a collaborative role where you’ll partner with other platforms too, making sure our loyalty benefits feel consistent, intuitive and genuinely delightful across the whole customer experience. If you enjoy solving real customer problems and shipping features that make a meaningful impact, you’ll fit right in.

What You'll Be Doing

  • Deliver top quality projects made using best practices and guidelines
  • Work with our design team to implement clean design that respects the platform
  • Work in an agile, cross-functional team taking joint responsibility for the engineering team deliverables
  • Take a proactive and hands-on approach in all features and tasks

Qualifications

About You: 

  • Solid experience with Swift 5 and the foundational iOS frameworks is essential
  • Strong experience using Xcode, IB and Auto Layout to create advanced UIs
  • Deep knowledge of Apple's HIG, design best practices, coding and naming guidelines
  • Good knowledge of software design patterns and software architecture principles
  • A passion for clean code
  • Experience in building universal apps that support different layouts for iPhone and iPad
  • Regularly write unit tests
  • Experience with UI automation (any tool)

Additional Information

BeneFITS’  

  • Employee discount (hello ASOS discount!)  
  • Employee sample sales  
  • 25 days paid annual leave + an extra celebration day for a special moment  
  • Discretionary bonus scheme  
  • Private medical care scheme  
  • Flexible benefits allowance - which you can choose to take as extra cash, or use towards other benefits 
  • Opportunity for personalised learning and in-the-moment experiences that enable you to thrive and excel in your role. 

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The Company
Birmingham
3,200 Employees
Year Founded: 2000

What We Do

We exist to give people 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 judgment, and channel your creativity into a platform used by millions. Whatever your role, asos will encourage you to be you, fulfilling your creative potential with our global reach. Push boundaries, and challenge expectations. We’re determined to succeed, so we’ll trust you to deliver. Help drive our journey to becoming the global fashion destination for 20-somethings At ASOS our 3,000+ employees are immersed in the creative worlds and have a truly entrepreneurial attitude. Our ASOSers are authentic, brave, creative and disciplined to the core and find ways to blend our passion for fashion with cutting edge technology. Sound up your street? Join us.

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