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From the employer's careers site First seen 28 Oct 2026

Principal Software Engineer SC&L

Marks & Spencer London, GB Hybrid senior full-time

The employer hasn't listed a salary.

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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.

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.

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.

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.

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

Here are just a few of the benefits that make working here even more rewarding:

  • 20% colleague discount on all M&S products and many third-party brands for you and someone in your household, available once you've completed your probation.
  • Competitive holiday allowance with the option to buy more.
  • Discretionary bonus schemes linked to your performance and ours.
  • Strong pension and life assurance to help plan for the future.
  • Tailored induction and training to support your development from day one.
  • Exclusive perks and savings through our M&S Choices portal.
  • Market-leading family policies, including parental, adoption and neonatal leave.
  • 24/7 wellbeing support, including virtual GP access and mental health services.
  • One paid volunteer day a year to support a cause that matters to you.

Skills

Required

  • Java
  • Micronaut
  • PL/SQL
  • ReactJS
  • Next.js
  • Azure Cloud
  • Dynatrace
  • Mule
  • Kafka
  • MQ
  • Blue Yonder Dispatcher
  • DevOps
  • clean code
  • design patterns
  • quality assurance
  • testing strategies
  • continuous integration
  • continuous delivery

Nice to have

  • Experience within the Retail domain and/or Supply Chain & Logistics
  • Previous software engineering community leadership experience
  • Experience presenting at internal and external technology events
  • Demonstrable entrepreneurial thinking and innovation within previous organisations

Ready to apply?

You apply with the employer directly. Their original posting is here: https://fa-eqid-saasfaprod1.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/121888

Apply on Marks & Spencer