Senior Software Engineer – Price Domain

Overview

As Senior Software Engineer in the Price Domain, you will shape the platform that powers pricing and promotions across M&S Food, Fashion, Home, and Beauty. You will build scalable backend services and resilient APIs that enable cross-channel pricing capabilities for product teams and customers. You’ll work on high-volume, transactional systems with event-driven architectures and GraphQL/REST APIs to drive reliable pricing decisions. This is a mission-critical role at a UK-leading retailer, offering the chance to impact hundreds of channels and teams.

Pay / Benefits

• 20% colleague discount across all M&S products
• Holiday entitlement with option to buy extra
• Discretionary bonus schemes
• Defined Contribution Pension Scheme and Life Assurance
• Tailored induction and training programmes
• Wellbeing support including 24/7 Virtual GP

Responsibilities

• Design, build, and evolve backend services powering pricing and promotions across multiple channels
• Develop scalable microservices and APIs using Java/Kotlin for pricing calculations and promotions management
• Contribute to Kafka-based event-driven architectures for high-volume price publishing
• Design and evolve GraphQL APIs with focus on performance and developer experience
• Build resilient, low-latency data solutions using MongoDB, Redis, PostgreSQL, and distributed architectures
• Own complex backend features across the pricing and promotions lifecycle, from design to deployment and operations

Key requirements

• Strong backend engineer with production experience designing and operating scalable services
• Experience with Java and/or Kotlin and modern microservice architectures
• Ability to build reusable backend capabilities for multiple teams/products
• Solid understanding of distributed systems, event-driven architectures, and asynchronous messaging
• Experience designing API-first platforms with GraphQL and REST
• Comfort with high-volume transactional systems demanding reliability and performance

• Cross-functional collaboration
• Ownership and accountability
• Problem-solving and analytical mindset
• Java/Kotlin
• Microservices
• Kafka

…