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Senior Backend Engineer

United Kingdom, London Employment contract 52000.00 - 77000.00 GBP / Year · Job Posted May 27, 2026
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Job Description

As the UK’s most successful omni-channel retailer, E-Commerce is a key part of the John Lewis Partnership. We run two of the busiest websites in the UK, driving a significant proportion of our sales. Our Engineering practice includes 80+ teams, working on everything from Cloud Platforms to Mobile Apps, from E-Commerce functionality to Machine Learning. Our Engineers work collaboratively and share knowledge, and learning is extremely important to us. We support our Engineers to continuously improve their skills and keep abreast of the latest technologies.

Job Responsibility

  • Build and support new features adding value for Our Business
  • Use your knowledge of Software Engineering to support the shaping of new projects and support the professional development of less experienced Engineers
  • Constantly improve your engineering skills and keep up to date with the latest technologies and techniques

Requirements

  • Server side Kotlin or a modern version of Java
  • A structured approach to systems analysis and development
  • Experience with application frameworks such as http4k or Spring Boot
  • An understanding of Agile development methods such as Scrum or Kanban
  • Experience in techniques like TDD, pair programming
  • Experience in Testing tools like JUnit, JMeter, Cucumber, Snyk
  • Continuous Integration/Continuous Delivery
  • An understanding of Microservice and Event Driven Architectures
  • REST API development and/or consumption

Nice to have

  • Experience with Cloud Platforms such as AWS, GCP or Azure
  • Docker, Kubernetes
  • Jenkins, Gitlab CI

What we offer

  • Leisure Learning (up to £200 towards certain tutored courses)
  • 25% off at John Lewis and 20% at Waitrose
  • Clubs & Societies
  • Generous holiday provision
  • Pension & Life Assurance
  • Exclusive Partnership hotels
  • Night Premium at a rate of £5.25 per hour for any time worked between 22:00 - 06:00

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