Staff Software Engineer - Warehouse Automation

Marks and Spencer; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Marks & Spencer is expanding its Software Engineering team in Greater London, delivering scalable software and complex integrations for the FH&B domain and warehouse automation partners. The role focuses on robust, observable systems, strong coding practices and mentorship across engineers.

You’ll collaborate with Architecture and product teams to shape technical direction, improve interface quality and ensure reliable live operations in warehouse environments.

Qualifications

• Proven track record in full-stack software engineering and delivering scalable interfaces and complex integrations.
• Strong understanding of software engineering principles and maintainable, resilient systems.
• Experience with automated testing across unit/integration/system layers for frontend and backend.
• Experience implementing DevSecOps across large enterprise applications.
• Proficiency in Java, SQL, JavaScript and modern CI/CD tooling.
• Experience building cloud-native apps with focus on reliability, security, and performance.
• Excellent communication and stakeholder management skills.
• Knowledge of AI/ML tech and GenAI tools like Copilot in the SDLC.
• Retail domain knowledge, particularly WMS/WCS integrations.

Responsibilities

• Develop, test and debug software solutions, setting engineering standards across the team.
• Provide technical leadership on complex projects and ensure alignment with strategy and standards.
• Design and implement scalable software and third-party integrations with Architecture teams.
• Conduct thorough code reviews, ensure automated testing coverage and performance.
• Collaborate with product managers and stakeholders to translate requirements into technical solutions.
• Mentor engineers and foster professional growth across levels.
• Drive operational excellence with monitoring, incident response and continuous improvement.

Skills

Full-stack engineering

Software engineering principles

Automated testing

DevSecOps

Java

SQL

JavaScript

Cloud-native applications

AI/ML technologies

Copilot / GenAI tools

Retail domain knowledge (Supply Chain)

WMS/WCS integrations

Tools

Azure

Docker

Kubernetes

Helm

Terraform

Apigee

Dynatrace

PagerDuty

JMeter

Playwright

Cucumber

Kafka

IBM MQ

SFTP

Job description

All the details

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 that truly understand software engineering, it’s an exciting time as we’re redefining ourselves into a digital-first and engineering-led organisation, with the quality of our engineering team being a key differentiator.

All the details

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 that truly understand software engineering, it’s an exciting time as we’re redefining ourselves into a digital-first and engineering-led organisation, with the quality of our engineering team being a key differentiator.

In this role sits within our Warehouse Automation team, supporting the Fashion, Home & Beauty (FH&B) sub-domain, a core part of M&S’s growth plans. You will help shape the integrations between our Warehouse Management Systems (WMS) and warehouse automation partners such as Beumer, Dematic and Geek+, building robust, scalable solutions with strong observability, clear metrics and best-in-class engineering practices. You’ll play a key role in driving technical direction, improving interface quality and ensuring the operational reliability required to deliver automation safely and effectively within live warehouse environments.

What You’ll Do

Your key accountabilities will include:

• Develop, test and debug software solutions, setting the standard for engineering excellence and championing best coding practices across the team.
• Provide technical leadership on complex projects, ensuring software solutions align with technology strategy, architectural standards and engineering best practices.
• Lead the design and implementation of scalable software solutions and third-party integrations, partnering closely with Architecture teams to deliver robust and adaptable systems.
• Conduct thorough code reviews to ensure maintainability, automated testing coverage, performance and code quality, fostering a culture of continuous improvement.
• Collaborate with product managers, business stakeholders and engineering teams to understand requirements and deliver effective technical solutions.
• Mentor and coach engineers at all levels, sharing knowledge and supporting their professional growth and development.
• Drive operational excellence by ensuring systems are effectively monitored, alerting is in place, incidents are investigated efficiently and learnings are incorporated into future development activities.

Who You Are

Your skills and experience will include:

• Proven track record in full-stack engineering, delivering high-performing, scalable user interfaces, backend systems and complex integrations.
• Deep understanding of software engineering principles, patterns and best practices, with a focus on building maintainable, adaptable and resilient software.
• Strong knowledge of automated testing and performance testing approaches across unit, integration and system testing layers for both front-end and back-end technologies.
• Proven hands‑on experience implementing DevSecOps practices across enterprise‑scale applications and technology platforms.
• Technical proficiency across a range of programming languages and technologies, including Java, SQL, JavaScript and modern CI/CD tooling.
• Experience designing, building and operating scalable cloud‑native applications with a strong focus on reliability, security and performance.
• Excellent communication and stakeholder management skills, with the ability to explain complex technical concepts to a variety of audiences.
• A strong mentoring mindset with a genuine passion for supporting engineers and enabling high‑performing teams.
• Good knowledge of AI/ML technologies and GenAI tools such as Copilot, including hands‑on experience implementing AI‑enabled solutions across the software development lifecycle.
• Knowledge of the retail domain, particularly Supply Chain and Warehouse Management Systems such as Blue Yonder Dispatcher.

Desirable Experience

• Experience implementing Warehouse Management System (WMS) integrations with Warehouse Control Systems (WCS), automation platforms and material handling solutions within large-scale operational environments.

Tech Stack

• Languages & Frameworks: Java (Spring Boot), .NET, Angular, AngularJS, React, TypeScript, Playwright, Cucumber, JMeter, Python and AI/ML technologies.
• Cloud & Infrastructure: Azure IaaS and PaaS services, Docker, Kubernetes, Helm and Terraform.
• Data & Messaging: Kafka (Confluent), IBM MQ/MQFTE and SFTP.
• Databases: SQL Server on Azure.
• API & Integration: Apigee, REST APIs and Windows Services.
• Observability: Dynatrace, PagerDuty, Helix.
• CI/CD & Quality