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Principal Engineer

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John Lewis Partnership

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Location:
United Kingdom , Bracknell

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Contract Type:
Not provided

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Salary:

75000.00 - 140000.00 GBP / Year

Job Description:

The Partnership is the UK’s most successful omnichannel retailer which includes two of the UK’s most loved department store and grocery brands with annual sales revenues in excess of £12B. Waitrose Commercial is responsible for ensuring that Waitrose have the right products to sell, at the right price across all Waitrose sales channels. It is also responsible for making sure the business has enough stock for customers in the place they want it, across our omnichannel business. The technology supporting Waitrose Commercial is a blend of commercially available third-party platforms, bespoke in-house systems, and tightly coupled mainframe legacy applications, all interconnected through integrations with other areas of the business. These systems must not only be highly resilient but also adaptable, enabling us to enhance operational efficiency and respond to evolving business needs. Change to systems in this part of the business is currently delivered through projects and implemented through third-party teams. There are several in this area who deliver change and support the systems. We are hiring for an engineering leader to help modernise and simplify a complex heritage tech stack to enable both business agility and productivity, as well as improve system maintainability. This will include leading on the uplift of the engineering capability and approaches in Commercial and to help move away from project based ways of working in order to establish Product teams and agile practices as well as change how we work with our suppliers. As the Principal Engineer for Commercial, you will report into the Head of Architecture & Engineering for Waitrose.

Job Responsibility:

  • Help modernise and simplify a complex heritage tech stack to enable both business agility and productivity, as well as improve system maintainability
  • Lead on the uplift of the engineering capability and approaches in Commercial
  • Help move away from project based ways of working in order to establish Product teams and agile practices
  • Change how we work with our suppliers

Requirements:

  • Engineering leadership experience
  • Experience modernizing and simplifying complex heritage tech stacks
  • Experience uplifting engineering capability and approaches
  • Experience moving away from project-based ways of working
  • Experience establishing Product teams and agile practices
  • Experience changing how to work with suppliers
What we offer:
  • Pension & life assurance
  • Exclusive hotels
  • Leisure learning
  • Partner discount (25% off at John Lewis and 20% at Waitrose)
  • Clubs & societies
  • Holiday & leave

Additional Information:

Job Posted:
January 20, 2026

Expiration:
January 25, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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