Software Development Engineer III - iOS

Salary: Competitive

Location: London

United Kingdom

Apply by: 16/01/2025

Software Development Engineer III - iOS


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About the role

As a Software Development Engineer III (iOS) at Tesco Technology, you will be a key player in our technology team, contributing to the design, development, and maintenance of high-performance iOS applications. We are seeking an experienced iOS developer with a strong background in software design, programming skills, and a passion for delivering exceptional applications. If you thrive in a collaborative environment and enjoy pushing the boundaries of technology, we would like to meet you.

You will be responsible for


1. **Architectural Leadership:

   - Lead the design and implementation of customer-facing features, contributing to the overall system architecture.

   - Collaborate with product managers and backend teams to design robust and scalable software solutions.


2. **Code & Development:

   - Design, build, and maintain high-performance, reusable, and reliable code.

   - Implement new features in production, ensuring code quality and adherence to best practices.


3. **Quality Assurance:

   - Write unit-test code to ensure robustness, usability, and reliability of the iOS applications.

   - Utilize debugging skills to identify and address memory leaks, performance bottlenecks, and other issues.


4. **Technology Exploration:

   - Continuously discover, evaluate, and implement new technologies to maximize the development process.

You will need


- Experience in developing iOS applications. Swift experience is required and SwiftUI is a plus.

- Proficiency with common iOS libraries like UIKit, Security, CFNetwork, CoreGraphics, XCTest , COCOAPods etc.

- Strong debugging skills, including identifying memory leaks and performance bottlenecks using tools like Debugger, Instruments, etc.

- Familiarity with Object-Oriented Programming (OOP) principles, different architectural patterns, and their testability.

- Excellent command over Data Structures and Algorithms.

- Understanding of design for scalability, performance, and reliability.

- Two or more published iOS apps in the App Store.

- Experience working in an agile environment and project management tools like Jira.

- Familiarity with Apple Design guidelines, common mobile UX patterns, and anti-patterns


What’s in it for you

We’re all about the little helps. That’s why we give our wonderful colleagues bags of benefits. Including wellbeing services, an award-winning pension scheme and much, much more, our colleague reward package keeps on giving. And helps make every day a little better for you and your family. These include but are not limited to:

  • Annual bonus scheme of up to 20% of base salary
  • Holiday starting at 25 days plus a personal day (plus Bank holidays)
  • Buy holiday salary sacrifice scheme (for salaried roles)
  • Private medical insurance
  • Retirement savings plan - save between 4% and 7.5% and Tesco will match your contribution
  • Life Assurance - 5 x contractual pay
  • 26 weeks maternity and adoption leave (after 1 years’ service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 4 weeks fully paid paternity leave
  • The right to request flexible working from your first day with us
  • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing
  • A Colleague Clubcard for you & a family member (after 3 months of service), giving you access to lots of discounts in-store & online
  • Great colleague deals and discounts, saving you money on everyday purchases, eating out and utility bills for the home
  • Access to our colleague networks providing a space for colleagues to come together from a range of backgrounds. For more information about our colleague networks please click here
  • Opportunities to get on - take advantage of our ongoing learning opportunities and award-winning training, to help you achieve the job and career you want

Click Here to read more about the full range of benefits we have available for our colleagues

About us

Our vision at Tesco is to become every customer's favourite way to shop, whether they are at home or out on the move. Our core purpose is ‘Serving our customers, communities and planet a little better every day’. Serving means more than a transactional relationship with our customers. It means acting as a responsible and sustainable business for all stakeholders, for the communities we are part of and for the planet.

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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