Network Engineer jobs in United Kingdom

The M&S Identity team is looking for a Staff Software Engineer to join our dynamic team. You will provide technical expertise, ship thoughtful solutions, and operate with excellence. Creative, curious, and fearless, you will be an integral part of our empowered, self-managing domain engineering team, pushing the boundaries of our Identity Platform.

The team is responsible for the M&S Identity Platform, managing authentication journeys for both customers and colleagues. We sit at a unique intersection, delivering seamless authentication experiences for customers while enabling internal teams to build on a robust Identity Platform.

Your key accountabilities will include:

• Influence the technical direction of the Identity Platform and shape our long-term architecture. Design solutions that improve the M&S Identity Platform, provide excellent user authentication experience to our customers and great developer experience to our engineers
• Lead and contribute to cross-team initiatives from design through deployment and operations
• Write maintainable, well-tested, high-quality code and uphold engineering best practices
• Focus on observability and maintain Service Level Objectives, take operational responsibility for the Identity Platform, including joining the on-call rota
• Foster a strong engineering culture through mentorship, code reviews, and collaboration
• Lead by example in producing high-quality documentation, including architecture, design, operational, and technical documentation
• Work closely with Product Managers, Designers, and Engineers across M&S to design elegant, scalable solutions
• Assist with recruiting and onboarding new engineers.

Your skills and experience will include:

• 8+ years of experience building and scaling distributed systems, ideally serving millions of users
• Deep expertise in one or more JVM-based languages (ideally Kotlin with Micronaut but will consider Java)
• Proven experience in DevOps practices, including running and operating what you build
• Experience designing CI/CD pipelines and driving improvements in developer productivity
• Comfortable working in cloud environments (preferably Azure)
• Experience with identity standards like OAuth 2.0 and OpenID Connect is a strong plus
• You balance long-term thinking with pragmatic delivery, and thrive in high-autonomy teams

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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