Senior Software Engineer- Backend

Summary

Join the M&S Software Engineering team and help build solutions that serve millions of customers and thousands of colleagues. As a Senior Software Engineer , you'll join an engineering-led organisation where technology is central to our transformation and future success. We're looking for a passionate software engineer with strong technical expertise, a collaborative mindset and a commitment to engineering excellence. You'll play a key role in designing, building, releasing and maintaining products, providing technical leadership on complex initiatives and helping shape scalable solutions that deliver value across the business.

What you'll do

Your key accountabilities will include:

• Writing, testing and debugging code for complex features, distributed systems and legacy migrations, while helping optimise deployment pipelines.
• Providing technical leadership, guidance and estimation on complex, high-impact projects, ensuring successful delivery of software solutions.
• Contributing to architectural and design decisions that align with business requirements, long-term technology strategy and engineering standards.
• Reviewing code and providing constructive feedback to ensure maintainability, quality and adherence to technical standards.
• Collaborating with a broad range of stakeholders, including senior leaders, engineers and external partners, while contributing to engineering communities of practice.

Our tech stack

• Kotlin, Jetpack Compose, Gradle
• RESTful APIs, GraphQL (nice to have)
• GitHub Actions, Figma, MDM (nice to have)
• Offline-first architecture, Clean Architecture, MVVM

Who you are

• Strong experience in a modern backend-focused technology environment and software engineering best practices.
• Expert understanding of software development principles and patterns, including MVC, SOLID, DRY and KISS.
• Solid expertise using distributed version control systems such as Git.
• Proficiency with Test Driven Development (TDD), Behaviour Driven Development (BDD) and non-functional testing approaches.
• Strong DevOps mindset with experience operating services and solutions using a "you build it, you run it" approach.

What's in it for you?

Working at M&S means being part of something bigger - helping to deliver quality, value and service to millions of customers every day. We’re inclusive, fast-moving and always evolving, with a strong sense of purpose and a focus on doing the right thing.

• 20% colleague discount on all M&S products and many third-party brands for you and someone in your household, available once you’ve completed your probation
• Competitive holiday allowance with the option to buy more
• Discretionary bonus schemes linked to your performance and ours
• Strong pension and life assurance to help plan for the future
• Tailored induction and training to support your development from day one
• Exclusive perks and savings through our M&S Choices portal
• Market-leading family policies, including parental, adoption and neonatal leave
• 24/7 wellbeing support, including virtual GP access and mental health services
• One paid volunteer day a year to support a cause that matters to you

Everyone's welcome

We are ambitious about the future of retail. We’re disrupting, innovating and leading the industry into a more conscientious, inspiring digital era. We’re transforming how we work together and offering our most exciting opportunities yet. Marks & Spencer strives to be an inclusive organisation, trusted and admired by our colleagues, customers and suppliers. Join us and make change happen.

We are committed to building diverse and representative teams, where everyone can bring their whole selves to work and be at their best. We support each other and work together to win together.

If you feel you'd benefit from any support or reasonable adjustments during any stage of the recruitment process, please don’t hesitate to let us know when completing your application. This information will be picked up by our team, so we can try and put steps in place to help you be at your best through this process.

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