# Principal Software Engineer - International

**Company**: Marks & Spencer
**Location**: London, GB
**Work arrangement**: hybrid
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Retail

**Apply**: https://fa-eqid-saasfaprod1.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/120926?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_0f50ebc2-e37

## Description

As part of the M&S Software Engineering team, you'll be joining a well-loved British brand, working on solutions that serve millions of loyal customers and thousands of colleagues.

We are looking for a Principal Software Engineer to provide senior technical leadership across our International Fashion, Home & Beauty domain. You will shape and modernise mission-critical platforms that support international growth, working closely with Engineering, Product, Architecture, Delivery and partner teams to design robust, scalable, secure and reusable technology solutions.

**Key Accountabilities:**

- Lead technical excellence across the full software development lifecycle, from solution design through launch and live operation of core product features, strategic platforms and business-critical programmes.

- Define and evolve scalable integration patterns for product, price and availability flows, fulfilment capabilities, partner onboarding, marketplace integrations and market-specific customer experiences.

- Shape technical direction and influence Technology and Product investment decisions, engineering team structures and delivery approaches to ensure sustainable, scalable outcomes.

- Champion engineering excellence by promoting clean code, clean architecture, automation, DevOps principles and pragmatic engineering practices that improve maintainability, productivity and delivery quality.

- Drive operational ownership and "you build it, you run it" practices, enabling teams to build, release, monitor and continuously improve the services they own.

- Provide technical leadership and guidance to internal engineering teams and external delivery partners, creating alignment across complex multi-team and multi-supplier delivery environments.

- Build engineering capability through mentoring, Communities of Practice, innovation initiatives, recruitment support, onboarding activities and contributions to the wider engineering community.

**Requirements:**

- Significant experience providing technical leadership across complex software engineering environments, with a proven track record of strategic thinking, technical innovation and successful large-scale delivery.

- Strong expertise in software engineering fundamentals, including clean code, clean architecture, design patterns, distributed systems and solution design for highly complex, business-critical platforms.

- Demonstrable experience shaping technology strategy and implementation approaches, ensuring alignment with business objectives, engineering standards, governance requirements and long-term architectural direction.

- Deep knowledge of cloud and platform engineering, including cloud-native architectures, Kubernetes, networking, security, observability, reliability engineering and automation practices.

- Strong understanding of quality engineering, test strategies, testing quadrants, testing pyramids, continuous integration, continuous delivery and DevOps ownership models.

- Excellent communication, stakeholder management and influencing skills, with the ability to engage and guide senior technical and non-technical audiences while driving consensus across multiple teams.

- A strong leadership mindset with high levels of ownership, accountability and coaching capability, helping senior engineers and stakeholders make effective technical decisions without over-prescribing solutions.

**Tech Stack:**

- Java, Spring, Spring Boot and Micronaut

- React, Next.js, TypeScript and Angular

- Azure Cloud and Kubernetes

- Kafka and IBM MQ

- SQL Server, MongoDB and Redis

- OpenTelemetry and Dynatrace

**Benefits:**

- 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
- Spring
- Kubernetes
- Azure Cloud
- React
- TypeScript
- Angular
- Kafka
- IBM MQ
- SQL Server
- MongoDB
- Redis
- OpenTelemetry
- Dynatrace

### Nice to have
- Experience within retail, international commerce, supply chain or logistics environments
- Experience working with third-party vendors, system integrators and outsourced delivery models
- Experience leading engineering communities or Communities of Practice

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Source: [Apply at fa-eqid-saasfaprod1.fa.ocs.oraclecloud.com](https://fa-eqid-saasfaprod1.fa.ocs.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1/job/120926?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)