Senior Software Engineer — Architect & Scale Systems

Marks & Spencer is seeking a Senior Software Engineer to join the Software Engineering team in London, helping build scalable solutions for millions of customers and thousands of colleagues. You will lead backend-focused development, design robust architectures, and drive delivery with a strong DevOps mindset in a fast-moving environment.

You will collaborate across disciplines, influence technical standards, review code, and contribute to complex initiatives that shape the future of our digital