Senior iOS Engineer in London

Senior iOS Engineer in London

London Full-Time 60000 - 75000 £ / year (est.) No working from home possible

At a Glance

  • Tasks: Create amazing iOS apps that millions love, focusing on quality and user experience.
  • Company: Join ASOS, a global fashion retailer that celebrates individuality and creativity.
  • Benefits: Enjoy discounts, flexible benefits, 25 days leave, and private medical care.
  • Other info: Inclusive culture with opportunities for personal growth and development.
  • Why this job: Be part of a dynamic team making a real impact in the fashion tech world.
  • Qualifications: Experience with Swift and iOS frameworks; passion for clean, maintainable code.

The predicted salary is between 60000 - 75000 £ per year.

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.

We’re looking for a Senior 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

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
  • 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

Senior iOS Engineer in London employer: 慨正橡扯

At ASOS, we pride ourselves on fostering a vibrant and inclusive work culture where creativity thrives and every individual is encouraged to be their authentic self. As a Senior iOS Engineer, you'll not only contribute to a platform enjoyed by millions but also benefit from a range of perks including generous annual leave, private medical care, and tailored learning opportunities that support your professional growth. Join us in our London office, where collaboration and innovation are at the heart of what we do, making ASOS an exceptional place to build your career.

Contact Details:

慨正橡扯 Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior iOS Engineer in London

Tip Number 1

Network like a pro! Reach out to current ASOS employees on LinkedIn or at industry events. A friendly chat can give you insider info and maybe even a referral, which can really boost your chances.

Tip Number 2

Show off your skills! If you’ve got a portfolio of iOS projects, make sure to highlight them during interviews. Demonstrating your experience with Swift and user interface design will set you apart from the crowd.

Tip Number 3

Prepare for technical interviews by brushing up on your coding skills. Practice common iOS interview questions and be ready to discuss your approach to problem-solving. We want to see how you think!

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining the ASOS team.

We think you need these skills to ace Senior iOS Engineer in London

iOS Application Development
Swift
Xcode
Interface Builder
Auto Layout
Apple's Human Interface Guidelines
Software Design Patterns

Some tips for your application 🫡

Show Your Passion for iOS:When you're writing your application, let us see your enthusiasm for iOS development shine through! Share specific projects or experiences that highlight your skills with Swift and the core iOS frameworks. We want to know what makes you tick!

Tailor Your Application:Make sure to customise your application to fit the Senior iOS Engineer role. Highlight your experience with Xcode, Interface Builder, and Auto Layout, and how you've implemented Apple’s Human Interface Guidelines in past projects. This shows us you’re serious about the position!

Be Clear and Concise:Keep your application straightforward and to the point. Use clear language and avoid jargon where possible. We appreciate a well-structured application that makes it easy for us to see your qualifications and experience at a glance.

Apply Through Our Website:Don’t forget to submit your application through our website! It’s the best way for us to receive your details and ensures you’re considered for the role. Plus, it gives you a chance to explore more about ASOS and our culture!

How to prepare for a job interview at 慨正橡扯

Know Your Tech Inside Out

Make sure you’re well-versed in Swift and the core iOS frameworks. Brush up on your knowledge of Xcode, Interface Builder, and Auto Layout. Be ready to discuss how you've implemented these tools in past projects, as this will show your technical prowess.

Showcase Your Collaborative Spirit

ASOS values teamwork, so be prepared to talk about your experiences working in agile, cross-functional teams. Share specific examples of how you’ve collaborated with designers and other engineers to deliver high-quality user experiences.

Demonstrate Your Problem-Solving Skills

Think of a few challenges you’ve faced while developing iOS applications and how you overcame them. This could include issues with code quality or user interface design. Highlighting your problem-solving abilities will resonate well with the interviewers.

Emphasise Your Passion for User Experience

Since ASOS is all about delivering value to customers, express your understanding of Apple’s Human Interface Guidelines and how they influence your work. Discuss how you ensure that your apps are not only functional but also enjoyable for users.