Staff Software Engineer - Selling Experience

Team: Supply Chain & Logistics
Store: London Support Office
Location: London, Greater London
Contract type: Permanent
Position type: Full Time
Salary: Competitive + Benefits; Closing date: 6th November 2025

How We Hire

Everyone is welcome at M&S. No exceptions. It’s your background, abilities and differences that make you, uniquely you. And when you’re part of M&S, that individuality has the potential to make waves.

About the role

This section tells you all you need to know about the position and its responsibilities, outlining everything we hope to see in a successful candidate.

Summary

Summary

As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand software engineers and engineering, it’s an exciting time as we’re redefining ourselves into a digital first and engineering-led organisation, with the quality of our engineering team being a key differentiator.

As a Staff Software Engineer your expertise will help us on this journey, creating solutions for the business that are robust and scalable, with good observability and metrics, following best-in-class engineering practice.

All the details

What You'll Do

Your key accountabilities will include

Software Development: Develop, test, and debug software solutions, taking a lead on what good coding practices look like.
Technical Leadership: Provide expert guidance on complex projects, ensuring that software solutions align both with our strategy, technology standards, and follow engineering best practice.
Architecture and Design: Lead the design of scalable and adaptable software solutions or 3rd party integrations, whilst partnering with colleagues in Architecture.
Code Review: Conduct thorough code reviews to ensure adherence to technical standards, maintainability, automated testing and high-quality code. Foster a culture of continuous improvement.
Collaboration: Gain a deep understanding of our area, working with key business stakeholders, product managers, and other engineers to be able to craft the most effective technical solutions.

Who You Are

Your skills and experience will include

Proven track record in developing high-performing, robust backend systems and integrations, with a focus on optimisation and scalability.
Deep understanding of software engineering principles, patterns, and practices, applied to the development of maintainable and adaptable code.
Good understanding of automated testing practices and toolsets, and how they are best applied at unit, integration, and system levels, across both back and front-end technologies.
Technical versatility and proficiency in a range of relevant programming languages (e.g. Java, PL/SQL, JavaScript) and tools (e.g. Git, CI/CD pipelines).
Expertise in designing and implementing scalable applications on cloud infrastructure, with a focus on performance and security.

Tech Stack

M&S uses a variety of technologies and as part of our modernization drive, will be introducing new ones. The sorts of technologies include:

Java, Spring, SpringBOOT, Micronaut
React, Next.js, Typescript, Angular
Azure Cloud, Kubernetes, Dynatrace (observability)
SQL Server, MongoDB
Ignite, Redis

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.

#LI-Hybrid #LI-CW1

Meet the Team

Our Support

Mentorship

It’s important to us that our new colleagues feel supported in their roles and can learn from others. That’s why we offer mentorship through our buddy system.

Wellbeing

Get access to resources to keep you fit and healthy, in body and mind. This includes access to our Wellbeing Hub, Virtual GP, Check4Cancer, PAM Assist and I&D Networks.

M&S gives you the freedom to be yourself. If you are genuinely motivated by a challenge, there’s nothing to stop you or hold you back. I would pass on the same advice I was given. Seize the opportunities. Share your ideas. Try things out. If it works, great. If it doesn’t, learn from it. This is the way we move forward as people – and as a business.

Imy (He / Him) | Shift Manager Read full story

M&S really has an appetite for change: there is a real belief in where we’re heading, and the business is putting the investment and infrastructure behind it. We’re always looking at where the industry is now, and identifying opportunities to evolve and improve the efficiency of our logistics network.

Lucy (She / Her) | Programme Manager Read full story

Benefits

Wellbeing hub

Get access to resources to support your wellbeing, including a free virtual GP service.
Giving back

Support your favourite charities by donating through your pay or even volunteering for them.
Pay

Earn a competitive salary.
Colleague discount

After completing your probation period, you'll receive 20% colleague discount across all M&S products and many of our third-party brands for you and a member of your household.

Please note only contracts of more than 12 weeks are eligible for this benefit.
Time off

Competitive holiday entitlement with the potential to buy extra holiday days.
Bonus

We have discretionary bonus schemes depending on your role and our business performance.
Life assurance

Get cover for twice your salary up to age 70 (double with our Pension Plan).
Workplace savings

We’ll help you save through our Pension Savings Plan, Share Buy and Sharesave schemes.
My Choices

Save on everyday costs through discounts and offers and get access to great health benefits.
Cycle to work

Bike/accessory hire with Cycle to Work and save on tax and national insurance.
Smart tech

Buy the latest technology with interest-free financing directly from your salary.
Family friendly policy

Industry-leading maternity, paternity, adoption and neo-natal policies, providing support and flexibility for you and your family.

Colleague Networks

We want you to feel supported, no matter what.

Menopause Network

Initiating and encouraging open conversations about menopause by offering support and sharing experiences.

Gender Equality Network

Addressing gender-related challenges, raising awareness, and driving action to ensure equal opportunities for all.

Cancer Network

Fostering a supportive and inclusive workplace culture, addressing stigma, providing guidance and raising awareness to empower and assist colleagues affected by cancer.

LGBTQ+ Network

Proactively representing LGBTQ+ issues and opportunities to deliver a truly inclusive place to work and shop for our colleagues and customers.

Health and Wellbeing Network

Providing a safe space for colleagues with all types of health conditions or disabilities and supporting with business initiatives to ensure our stores are truly accessible for our customers.

Culture and Heritage Network

Raising awareness of various religions and cultures through events and comms, to educate others and better represent our M&S colleagues and customers.

Family & Carers Network

A support network for parents and carers, offering a space for colleagues to share experiences, exchange ideas, and access useful resources.

Forces Community Network

Supporting colleagues connected to the Armed Forces, aiding their transition to civilian life, and ensuring that they thrive in the workplace.

How to Apply

Here’s what to expect at each stage of the application process. This can change depending on the role you’ve applied to. If you need any reasonable adjustments made at any stage, let us know and we can help.

Send us your application

Fill in our short application form and hit submit.

Online assessment

We’ll invite you to take part in an online assessment that includes a product checking test and a situational judgement test. This could be before or after your interview.

Interview

We'll invite you to join us for an On Demand video interview. Here, we'll ask you some technical questions based on the behavioural attributes we're looking for.

Decision

After we’ve decided, we’ll be in touch. If you’ve been successful, we’ll officially invite you to join the team and let you know the next steps.