Senior iOS Engineer

Job Type IT
Location London - Victoria
Partnership Level 6
Closing Date 27/11/2022
Vacancy Type Permanent
Salary £55,800.00 - £90,000.00
Salary Frequency Annual
Hours of Work 35


We want all of our Partners to have a good work-life balance and we support flexible working. This might mean flexible or compressed hours, job sharing or shorter hour contracts, where it is possible to do so. Please discuss this further with the hiring manager during your interview.


Working in Partnership for a happier world – our shared Purpose that guides us in everything we do and inspires 3 important principles; happier people, happier business, happier world. The John Lewis Partnership is a truly unique business, one that seeks to make a positive difference to the lives of everyone.

What’s the role about?

As the UK’s most successful omni-channel retailer, E-Commerce is a key part of Our Business - we run two of the busiest websites in the UK, driving a significant proportion of our sales. Our Engineering practice includes 60+ teams, working on everything from Cloud Platforms to Mobile Apps, from E-Commerce functionality to Machine Learning.

Our Engineers work collaboratively and share knowledge, and learning is extremely important to us. We support our Engineers to continuously improve their skills and keep abreast of the latest technologies.

This role is known internally as Product Engineer (PL6).

Find out more about being a Software Engineer in the Partnership, and the technology we use.


What you’ll be doing?

This is an opportunity to join one of our agile product teams working as a Senior iOS Software Engineer. You will be using your excellent Swift, TDD, XCUnit skills to build and support new features adding value for Our Business, any working knowledge of SwiftUI along with server side Swift is a bonus.

As a Senior Engineer, you will also use your knowledge of Software Engineering to lead the shaping of new projects and support the professional development of less experienced Engineers. The team structure is multi-platform: iOS, Android and Server side swift for our BFFs. You will need to help support, manage and delegate across all disciplines.

There are opportunities to become a people manager for your fellow engineers if that is something that appeals to you.

Successful candidates will have a passion for using technology to deliver outstanding and innovative software solutions, and will have a track record of working in teams delivering complex, performant, accessible, high quality software. 


What you’ll already have:

  • Expertise in modern Swift, TDD, XCUnit.

  • Leadership experience.

  • A structured approach to systems analysis and development.

  • A good understanding of Microservice Architectures.

  • Experience with building mobile app frameworks, Cocoapods and SPM.

  • Experience with building fully accessible applications.

  • Experience with building highly performant, scalable applications.

  • An understanding of Agile development methods such as Scrum or Kanban.

  • Familiarity with techniques like TDD, pair programming.

  • Continuous Integration/Continuous Delivery.

  • REST API consumption.


What else you could bring:

  • Cloud Platforms such as AWS, GCP or Azure.

  • Docker, Kubernetes.

  • Bitrise, Jenkins, Gitlab CI.

  • GraphQL.

  • Application security.


Where will you be working?:

We have opportunities at  our John Lewis Head Office in London Victoria.

We have a blended hybrid approach of working from our offices and a home/remote UK location. You are contracted to a Partnership office location. If you choose to work remotely you should be aware that from time to time, you will need to come into the office. This decision is made within your team and may mean that you do not come into the office for weeks or months at a time unless you choose to. 


What benefits do we offer you?:

We believe in rewarding our Partners for their time and energy. Find out about the benefits of working for the Partnership.


How does our application process work?:

Internal candidates only, click here

External candidates: In order to help you understand what to expect, we have added a PDF overview of our application process at the green attachment link below.


For internal use only:






We positively celebrate Diversity & Inclusion in the John Lewis Partnership. Our aim is to become the UK’s most inclusive business - for our Partners and for our customers, reflecting and connecting with the diverse communities that we serve. We want people from all walks of life to feel valued for their individuality, thrive in our business and share a sense of belonging. To find out more about D&I in the John Lewis Partnership visit this site -

Attachment: Application & Interview process.pdf 


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