iOS Mobile App Developer

As an iOS Mobile App Developer you\’ll sit within the Engineering \’chapter\’ alongside other Developers and Software / QA Engineers. Tesco Mobile enables customers to use native mobile applications to manage their products and services on both the iOS and Android Platform. The Mobile App \’squad\’ is comprised of iOS and Android Developers as well as other agile resources such as a Product Owner, BA, QA and others

You will be responsible for designing, coding, and implementing customised solutions for the Tesco Mobile iOS mobile app. Your expertise will contribute to the success of our organisation by enhancing our mobile app, particularly focusing on new features and custom functionality. You’ll collaborate with cross-functional teams, including business stakeholders, administrators, and other developers, to deliver high-quality solutions that meet business requirements.

• Designing, developing, and maintaining native iOS applications.
• Collaborating with cross-functional teams to define and deliver new features.
• Ensuring high performance, quality, and responsiveness of applications.
• Identifying and resolving bottlenecks and bugs.
• Staying up to date with new technologies to improve development efficiency.
• Writing clean, maintainable, and efficient code.
• Participating in code reviews and mentoring junior developers.

• Proven experience (5+ years) in iOS development using Swift, including building user interfaces with SwiftUI
• Strong understanding of iOS SDKs, mobile architecture (MVVM/MVP), and interface guidelines.
• Experience with RESTful APIs, offline storage, threading, and performance tuning.
• Familiarity with cloud messaging APIs and push notifications.
• Proficient in Git and unit testing.
• Excellent problem-solving, communication, and teamwork skills.
• A degree in Computer Science or equivalent experience.
• Bonus: Experience or flexibility with cross-platform development (e.g., Kotlin, Android, or frameworks like Flutter/React Native) is highly advantageous and welcomed.

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A 50-50 joint venture between Tesco and VMO2 that was established back in 2003, Tesco Mobile has gone from strength to strength as we’ve launched into new services and markets. With more than 5 million customers, we’re the largest mobile virtual network operator in the UK. We’re proud to have an inclusive culture that’s uniquely Tesco Mobile, with a strong sense of community, plus all the benefits of working for one of the shareholders.

We care for human connection and we keep our customers at the heart of everything we do, which is why we’ve embraced the Agile way of working. Agile is more than just a methodology – it’s a liberating journey that puts customers and purpose first. It empowers us to self‑organise, collaborate, co‑create and rapidly inspect and adapt everything we do – allowing us to respond at pace to our customers’ needs. It encourages variety of thought and enables us to thrive, both individually and collectively.

We are proud to have an inclusive culture at Tesco where everyone truly feels able to be themselves. At Tesco, we not only celebrate diversity, but recognise the value and opportunity it brings. We\’re committed to creating a workplace where differences are valued, and make sure that all colleagues are given the same opportunities. We’re proud to have been accredited Disability Confident Leader and we’re committed to providing a fully inclusive and accessible recruitment process. For further information on the accessibility support we can offer, please click here.

We’re a big business and we can offer a range of diverse full‑time & part‑time working patterns across our many business areas, which means that we can find something that works for you. We work in a more blended pattern – combining office and remote working. Our offices will continue to be where we connect, collaborate and innovate. If you are applying internally, please speak to the Hiring Manager about how this can work for you – Everyone is welcome at Tesco.

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