Overview
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 genuinely understand software engineering, it is an exciting time as we are redefining ourselves into a digital‑first and engineering‑led organisation, with the quality of our engineering team being a key differentiator. We are looking for a Senior Software Engineer who enjoys building the things other engineers rely on. On Web Platform, your users are not shoppers, they are the engineers building web applications across M&S. Your job is to make them faster, safer, and more effective through better tooling, cleaner defaults, stronger pipelines, sharper standards, and less day‑to‑day friction. The Web Platform is a set of opinionated, productised tools and workflows used by every team building web apps at M&S. We focus on developer productivity, quality, and lead time to change, making sure the engineering environment is something people can trust and actually enjoy using.
What You’ll Do
- Build, evolve, and maintain Web Platform capabilities that engineers across M&S depend on every day, including shared libraries, tooling, pipelines, testing patterns, and documentation
- Take end‑to‑end ownership of meaningful platform work, from understanding the problem through design, delivery, rollout, and operational follow‑through
- Contribute to the technical direction of the team, helping shape standards and solutions that balance developer experience, quality, reliability, and maintainability
- Write clean, maintainable, well‑tested code, and raise the bar through code review, pairing, and thoughtful technical feedback
- Work closely with engineering teams across M&S to understand pain points, reduce toil, and improve the day‑to‑day experience of building and shipping web software
- Improve pipeline speed and reliability, test confidence, and the overall health of a busy monorepo environment
- Participate in support and operational responsibilities, with a production‑first mindset around observability, incident response, and service reliability
- Mentor other engineers through coaching, pairing, and example, helping the team grow stronger without needing formal line management
Who You Are
- Strong production experience with modern web engineering, particularly React, Next.js, and TypeScript
- Comfortable working on engineer‑facing platform problems, not just product features
- Hands‑on with CI/CD, automated testing, and operating what you build
- Familiar with monorepo and build tooling concerns such as dependency management, library boundaries, caching, and merge reliability
- Able to own ambiguous technical problems and drive them through to a sensible outcome without needing constant direction
- Experienced in working across team boundaries, influencing through clarity and credibility rather than authority
- Pragmatic, collaborative, and comfortable in a high‑autonomy engineering environment
- Interested in developer productivity, and ideally familiar with frameworks such as DORA and SPACE
Tech Stack
- React, Next.js, TypeScript
- NX monorepo tooling
- GitHub Actions and CI/CD pipelines
- Playwright and Jest
- Azure Cloud
- Observability tooling such as Dynatrace
What’s In It For You
- 20% colleague discount on all M&S products and many third‑party brands for you and someone in your household, available once you have 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
EEO Statement
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.
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