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🥝 Principal Software Engineer - Personalisation

Marks and Spencer | london, United-Kingdom | Posted May 27, 2026

Job Description

Summary

As a Principal Engineer at M&S, you'll play a critical role in shaping our technical direction and delivering against our strategic goals. Acting as a senior technical leader, you'll drive engineering excellence, influence architecture, and align technology decisions with business priorities.

You’ll join our Personalisation product group, responsible for delivering on‑site and in‑app personalisation, search, and recommendation capabilities. This includes some of our most innovative customer experiences, such as 1:1 personalised search and AI‑powered styling.

Working within highly cross‑functional teams spanning engineering, data science, product, and design, you’ll help deliver our vision of making every M&S digital experience feel tailored to the individual customer.

What's In It For You

Being a part of M&S is exactly that – playing your part to bring the magic of M&S to our customers every day. We're an inclusive, dynamic, exc...

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