Senior Software Engineer- Store Operations

MARKS&SPENCER; Greater London; Hybrid; GBP 85,000 - 110,000; Full time

Benefits offered by this job

20% colleague discount

Discretionary bonus schemes

Strong pension and life assurance

Wellbeing support

Induction and training

Job summary

Marks & Spencer is seeking a Senior Software Engineer to join the Software Engineering team in a hybrid UK role. You will design, build, release and maintain scalable software, providing technical leadership on complex initiatives and shaping solutions that deliver value across the business.

You will work on modern backend-focused systems using Kotlin, GraphQL/REST, and MVVM architectures, collaborating with stakeholders and driving engineering excellence across pipelines and deployments.

Qualifications

• Strong backend experience and software engineering best practices.
• Understanding of MVC, SOLID, DRY and KISS principles.
• Proficiency with Git and distributed version control.
• Experience with TDD/BDD and non-functional testing approaches.
• DevOps mindset with "you build it, you run it" approach.

Responsibilities

• Write, test and debug code for complex features and migrations, optimise deployment pipelines.
• Provide technical leadership and estimation on high-impact projects.
• Contribute to architectural decisions aligning with long-term tech strategy.
• Review code and provide constructive feedback for maintainability and quality.
• Collaborate with stakeholders including senior leaders and external partners.

Skills

Backend focus

Software engineering best practices

Git

TDD/BDD

DevOps

Tools

Kotlin

Jetpack Compose

Gradle

RESTful APIs

GraphQL

GitHub Actions

Figma

MDM

Job description

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.

Due to high interest, this role may close earlier than advertised. We recommend applying as soon as possible.

What you'll do

• 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.

Here are just a few of the benefits that make working here even more rewarding:

• 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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