Senior Software Engineer - Loyalty

As a Senior Software Engineer in the M&S Loyalty (Sparks) team, you will help build and evolve a scalable platform underpinning customer journeys for millions of users. You will own features end-to-end, shaping technical direction and improving developer and customer experiences. You’ll work with cross-functional teams to ensure reliable, high-performing services and strong operational excellence. This role offers impact at scale within a mission-driven, digital-first engineering culture.

• 20% colleague discount on M&S products
• Competitive holiday allowance
• Discretionary bonus schemes
• Strong pension and life assurance
• Tailored induction and training
• M&S Choices perks portal

• Build, evolve and maintain scalable Loyalty platform services that support Sparks customer journeys
• Take end-to-end ownership of features from design through deployment, monitoring and optimization
• Contribute to technical direction focusing on scalability, performance and maintainability
• Collaborate across teams to improve developer experience and reduce delivery friction
• Support live services through reliability, observability and operational excellence

• Experience building and scaling distributed systems in modern backend environments
• Strong knowledge of JVM-based languages or backend frameworks (e.g. Java, Micronaut, Spring)
• Hands-on experience with CI/CD, DevOps practices, and operating production systems
• Familiarity with event-driven architectures and technologies such as Kafka
• Experience working with cloud platforms (preferably Azure) and containerisation (Kubernetes)

• Collaborative
• Pragmatic
• Continuous improvement mindset
• Java
• Node.js
• Spring