Lead Principal Engineer, Customer Platform

Company: Marks & Spencer Plc
Apply for the Lead Principal Engineer, Customer Platform
Location: London
Job Description:

Marks & Spencer Plc seeks a Principal Software Engineer to drive technical excellence across the Customer Platform and modernise mission-critical systems powering millions of customers and thousands of colleagues.

You will lead across design, build and operations, champion engineering practices, and mentor senior engineers. Collaboration with cross-functional teams will shape tech strategy, with emphasis on DevOps, reliability, and security in a hybrid London setting.

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Posted: September 30th, 2026