# Principal Software Engineer SC&L at Marks & Spencer

AI Level 1, AI centrality 0 out of 100. United Kingdom.

## Details

- Company: [Marks & Spencer](https://jobsbylevel.com/companies/marks-spencer)
- AI level: AI Level 1 (score 0 out of 100)
- Location: United Kingdom
- Posted: October 6, 2026
- Apply: https://jobsbylevel.com/go/1c09c7c0-d87c-4e9a-a3b4-a8f0087a6e24

## Description

As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues. With ethical values that run right through the company’s core and technology leaders who truly understand software engineering, it’s an exciting time as we continue our transformation into a digital-first, engineering-led organisation, with the quality of our engineering teams being a key differentiator. We are seeking a passionate Principal Software Engineer to join us within Supply Chain & Logistics , where you will be a driving force behind the modernisation of mission-critical systems that enable M&S to scale and evolve. As a technical leader, you will collaborate with cross-functional teams to design, build and maintain software that powers our warehouse operations, helping to create a best-in-class engineering environment while ensuring solutions are robust, scalable and reusable across our warehouse network. Due to high interest, this role may close earlier than advertised. We recommend applying as soon as possible. What You'll Do Your key accountabilities will include: Lead technical excellence across the full software development lifecycle, from solution design through to launch, operations and continuous improvement of strategic products and platforms. Define and influence technical direction, engineering strategy and technology investment decisions, partnering with Engineering, Technology and Product leaders to align priorities and outcomes. Champion engineering excellence by promoting best practices including clean code, clean architecture, DevOps, automation and operational excellence, while driving productivity and delivery quality. Mentor and develop engineers across the organisation, supporting Communities of Practice, enabling team growth and fostering a culture of innovation, autonomy and continuous learning. Strengthen the engineering organisation through recruitment, onboarding, internal and external advocacy, and by contributing to the wider engineering community through thought leadership and knowledge sharing. Who You Are Your skills and experience will include: Significant experience defining and delivering technology strategy, driving innovation, influencing technical direction and implementing solutions that create measurable business value. Deep expertise in software engineering best practices, including clean code, design patterns, quality assurance, testing strategies, continuous integration, continuous delivery and DevOps principles. Strong technical leadership across solution architecture, cloud computing, information security, observability, reliability and performance engineering, with experience delivering complex, high-impact systems at scale. Proven ability to optimise processes, lead senior engineers and technical specialists, and influence stakeholders at all levels to achieve successful business and technology outcomes. Excellent communication, mentoring and leadership skills, with a collaborative approach, strong sense of ownership and the ability to engage effectively with both technical and non-technical audiences. Desirable Experience Experience within the Retail domain and/or Supply Chain & Logistics, particularly around Warehouse Management Systems (WMS) and Warehouse Control Systems (WCS). Previous software engineering community leadership experience. Experience presenting at internal and external technology events. Demonstrable entrepreneurial thinking and innovation within previous organisations. Tech Stack M&S uses a variety of technologies across Supply Chain & Logistics and, as part of our modernisation journey, will continue to introduce new technologies. Current technologies include: Java, Micronaut, PL/SQL ReactJS, Next.js Azure Cloud, Dynatrace (Observability) Mule, Kafka, MQ Blue Yonder Dispatcher What’s in it for you? Working at M&S means being part of something bigger – helping to deliver

The description is cut here. Read the full offer: https://jobsbylevel.com/jobs/principal-software-engineer-sc-l-at-marks-spencer-dc4279

Source: https://jobsbylevel.com/jobs/principal-software-engineer-sc-l-at-marks-spencer-dc4279

## Cite this page

Level. https://jobsbylevel.com/jobs/principal-software-engineer-sc-l-at-marks-spencer-dc4279.

Get job alerts: https://jobsbylevel.com/newsletter