Staff Software Engineer

This is a Hybrid Position with 1 day/week in our London Paddington Office As part of the M&S Software Engineering team, you’ll be joining a well-loved British brand at an exciting stage of its transformation into a digital-first, engineering-led organisation. Our technology powers experiences for millions of customers and thousands of colleagues, with engineering excellence at the heart of our success. We’re looking for a passionate Staff Software Engineer – Payments Platform to help shape and evolve our payment ecosystem, supporting critical transaction journeys across stores and digital channels. You’ll combine deep technical expertise with strategic thinking, leading the design and delivery of scalable, secure and resilient payment solutions while mentoring engineers and driving engineering best practice. The ideal candidate will have strong cloud and platform engineering experience, a passion for operational excellence, and a proven ability to solve complex technical challenges in high-volume environments. Due to high interest, this role may close earlier than advertised. We recommend applying as soon as possible. What you'll do Your key accountabilities will include: Own end-to-end payment platform outcomes across key payment products, ensuring reliability, security, performance and resilience during peak trading periods.Lead the design and delivery of complex payment capabilities, making high-quality technical decisions that result in secure, scalable and maintainable solutions.Shape the technical direction and architecture of payment systems, working closely with architects and engineering leaders to align with business and technology strategy.Drive engineering excellence through DevOps, automation, operational improvements and incident management, reducing repeat failures and improving service performance.Mentor and support engineers through coaching, code reviews and knowledge sharing, helping to build strong payment domain expertise across the engineering community. Our Tech JavaAzure (preferred), AWS and GCPGitHub ActionsDynatraceCI/CD and DevOps toolchainsCloud infrastructure and platform engineeringSite Reliability Engineering (SRE)CDN, DNS and Edge Computing technologiesObservability and monitoring platforms Who you are Your skills and experience will include: Strong software engineering experience with Java preferred, alongside the ability to select the right technologies and approaches for complex business problems.Deep expertise operating large-scale cloud-based platforms and high-traffic applications, with experience across Azure (preferred), AWS or GCP.Strong understanding of platform engineering, Site Reliability Engineering (SRE) principles, observability and monitoring tools such as Dynatrace or equivalent.Experience implementing CI/CD practices and modern DevOps tooling, ideally including GitHub Actions and automated delivery pipelines.A passion for engineering quality, testing, mentoring others and driving continuous improvement across teams and platforms. 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.