Marks and Spencer
Staff Software Engineer
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We're changing the way we do things, and putting industry leading innovation at the heart of how we operate; we need a stellar engineering team to make it happen. You'll be joining one of the most iconic brands in the UK on its most exciting cycle yet. We're more integrated and product led in our tech teams than ever before: learning, changing, and adapting constantly, with millions of people benefiting from your work every single day.
You’ll be joining the M&S Platform team as a Staff Software Engineer within our Customer Data Platform team. Our mission is to streamline development at M&S for 1000+ engineers and 30+ applications - covering both our customer-facing and colleague-facing applications.
What you’ll do
Your key accountabilities will include:
- Build and maintain high-quality, reliable software in the cloud, embracing a 'you build it, you run it' mindset.
- Lead delivery of complex features and backlog items within your team, from design to production, ensuring smooth rollout and minimal operational disruption.
- Own technical delivery within your team, helping break down ambiguous problems into clear, executable plans.
- Design and implement solutions that align with existing architecture and contribute meaningfully to team-level technical direction.
- Write, review, and release well-tested, maintainable code that ensures confidence in shipping high-quality software.
- Improve code quality and consistency by setting standards through PR reviews and best practices.
- Partner closely with Product and Design, collaborating to deliver meaningful customer outcomes.
- Work with adjacent teams when needed to align on shared components and dependencies.
- Actively participate in on-call support, contributing to operational stability, observability, and performance.
- Coach and support other engineers through pairing, reviews, and mentoring, helping raise the team’s overall capability.
- Contribute to team OKRs and actively support planning, refinement, and roadmap discussions.
- Champion secure coding, reliability, and sustainable engineering practices within your team.
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Who You Are
You own delivery of complex features end-to-end, ensuring quality, performance, and reliability — not just completion. You can take ambiguous problems and turn them into clear technical plans for the team to execute. You design solutions that balance speed, maintainability, and long-term scalability. You actively identify technical debt, risks, or inefficiencies and take action to address them. You use observability and metrics to validate behavior, debug issues, and improve system health. You regularly support and unblock teammates, helping them deliver more effectively. You contribute to design discussions, clearly communicating trade-offs, and influencing decisions within your team. You help the team operate effectively in production, supporting incidents, and driving improvements after failures. You can debug complex issues across multiple components, not just your own code. You proactively improve testing strategies and code quality, ensuring long-term confidence in releases. You introduce improvements to tooling, CI/CD, or workflows that increase team productivity.
Tech Stack
M&S utilizes a variety of technologies within the Customer Data Platform including:
- Front-end: React, Next.js, TypeScript
- Back-end: Java, Node.js, GraphQL, REST APIs
- Cloud & Infrastructure: Azure Kubernetes Service (AKS), mParticle, Salesforce Marketing Cloud, Salesforce Data360
- Observability & Monitoring: Dynatrace, PagerDuty
- Quality & Testing: JUnit, Jest, Playwright
- Security & Scanning: Snyk, Semgrep, SonarCloud
- Experimentation & Analytics: Optimizely, Adobe, Tealium
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.
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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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