Senior iOS Engineer

John Lewis plc; Greater London; Hybrid; GBP 52,000 - 77,000; Full time

Job summary

John Lewis plc in London is seeking a Senior Android Engineer to lead native mobile development within a cross-functional Agile team. You’ll collaborate with other engineers, BI/QA, designers and UX specialists on customer-facing projects and provide technical assurance on complex IT initiatives.

You will help shape new projects, mentor teammates, and continuously improve engineering practices while staying current with modern technologies.

Qualifications

• Extensive experience in native mobile development for iOS using Swift.
• Solid knowledge of accessibility best practices and testing.
• Proficient CI/CD experience and modern mobile tooling.
• Experience with generative AI to enhance development efficiency.
• Familiarity with Kotlin Multiplatform (KMP).
• Experience with Kotlin/Java mobile development.
• Proven TDD and pair programming skills.
• Strong Agile experience (Scrum/Kanban).
• REST API development and consumption.
• MVVM and MVP architectural patterns.

Responsibilities

• Lead native Android development within a cross-functional Agile team.
• Collaborate with iOS engineers, BA, QA, designers and UX specialists.
• Define development approach and provide technical assurance on projects.
• Shape new projects and mentor less experienced engineers.
• Communicate effectively with diverse stakeholders and keep up with new tech.

Skills

Swift

Accessibility

CI/CD

Generative AI

KMP

Kotlin/Java

TDD

Agile

REST API

MVVM/MVP

Tools

Postman

Charles/Proxyman

Bitrise/Gitlab CI

Job description

ABOUT THE ROLE

As the UK’s most successful omni-channel retailer, ecommerce 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 80+ teams, working on everything from Cloud platforms to mobile apps, from ecommerce functionality to machine learning. In addition to your contractual pay, any time worked between 22:00 - 06:00 will attract Night Premium at a rate of £5.25 per hour. This will also apply to existing Partners who have enrolled onto Enhanced Hours Premium arrangements. Have a quick glance of our Engineering best practices, see our engineers talk about their experience and opportunities to learn and grow; Check out our Tech stack, reach out to us if you have any questions. Visit - https://www.jlpjobs.com/engineering-jobs/ Flexible Working: This is a hybrid working role, therefore your time will primarily be split between working from home (in the UK) and London Head Office / Bracknell Head Office. However, there will also be an expectation to visit other locations as the need arises. Our Engineering team currently works from the office roughly once a week to connect and on a more ad-hoc basis to attend key meetings, but again the frequency is dependent on the business needs.

Salary range: £52,000 - £77,000

Contract type: Permanent

Key Responsibilities

You will work as a senior software engineer specialising in Android development within a cross-functional Agile development team. You’ll be working collaboratively with other highly skilled iOS Engineers as well as Android engineers, Business Analysts, Quality Engineers, Designers and User Experience specialists on challenging customer-facing projects. As a Senior iOS Engineer you will have responsibility for the development approach and provide technical assurance on complex IT projects. You will also use your knowledge of software engineering to support shaping of new projects and support the professional development of less experienced software engineers. You will work with a diverse range of technical and non-technical stakeholders which will require excellent communication skills. Learning new skills is extremely important to us. You would be expected to constantly improve your engineering skills and keep up to date with the latest technologies and techniques. In return for your commitment you will receive the support and resources needed to achieve your learning goals. Internally this role is known as Product Engineer (L7).

Essential skills / experience you’ll need

• Extensive experience in Native Mobile Development in Swift
• Accessibility best practice
• Continuous Integration/Continuous Delivery
• Experience with generative AI tools and techniques to enhance development and productivity.
• Familiarity with Kotlin Multi Platform (KMP)
• Experience with/eager to learn Kotlin/Java
• Demonstrable experience in TDD, pair programming
• Agile development methods such as Scrum or Kanban
• REST API development and/or consumption
• Deep understanding of MVVM and MVP.

Desirable skills / experience you may have

• Postman or similar tools
• Charles/Proxyman or similar tools
• Bitrise/Gitlab CI

ABOUT THE PARTNERSHIP

We’re the largest employee owned business in the UK and home of our cherished brands, John Lewis and Waitrose. We’re not just employees, we’re Partners, driven by our purpose to build a happier world. As we look to our future, there’s never been a more exciting time to join us. We’re ruthlessly focused on being brilliant at retail. We continue to innovate, adapt and diversify. Never Knowingly Undersold on price, quality and service in John Lewis and passionately serving food-lovers in Waitrose. As Partners we all share the responsibility of ownership and in its rewards. We use our voices to contribute to our success, working together through the good and challenging times, holding true to our behaviours and treating everyone with kindness and respect. We all own making the Partnership somewhere we belong. Embracing our differences and creating an environment where we’re free to be ourselves and can THRIVE. Growing ourselves individually, and as a collective. As Partners, we make all the difference. And, we all own it.

Important points to note:

It’s important to note that some of our roles are subject to pre-employment vetting (which may include DBS checks for successful candidates). If required, you’ll be informed and provided with information about vetting during the recruitment process and we encourage you to complete any vetting documents quickly to avoid delays. Any DBS checks required will be carried out by a third-party registered body and financial probity checks may also be required for some of our roles. We also recommend that you apply as soon as possible as vacancies can close early if we see a high number of applicants. 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 possible. Please discuss this further with the hiring manager during your interview. At the John Lewis Partnership we’re not just employees; we’re co-owners, and that’s why we’re called Partners. Being a Partner means not only do we all collectively share the responsibilities of being the UK’s largest employee-owned business, but we also share in its rewards and successes. It’s this ownership model that makes the Partnership a very unique place to work.

Closing Date: January 24, 2027 Pay: £52,000.00 - £77,000.00 Annual Contract Type: Permanent Hours of Work: 35 Job Level: Partnership Level 7 Where You'll Be Working: London Central Office, 1 Drummond Gate, London, , SW1V 2QQ