Staff Software Engineer- Self Checkouts

Marks and Spencer; Greater London; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Colleague discount

Holiday allowance

Bonus schemes

Pension plan

Induction & training

Wellbeing support

Volunteer day

Job summary

Marks & Spencer is seeking a Staff QA Engineer – Retail Platforms to own quality across POS and Self-Checkout, ensuring reliable, secure transaction flows and performance at scale. You’ll shape quality strategy, mentor teams, and advance automated testing across Retail tech stacks.

You’ll lead automation efforts using Selenium, Playwright, and TestComplete, collaborate on cloud platforms (Azure/AWS/GCP) and CI/CD, and champion DevOps in production releases and incident response.

Qualifications

• Extensive QA experience in retail tech environments (POS, Self-Checkout, payments).
• Expertise designing and maintaining automated testing frameworks (BDD, data-driven).

Responsibilities

• Own end-to-end quality for key retail platforms (POS and Self-Checkout), ensuring reliability and performance across transactions.
• Shape quality strategy and standards for retail tech, guiding automation frameworks and platform direction.
• Improve testing practices, assist incidents, reduce repeat failures and boost platform stability.
• Mentor engineers in quality best practice, code reviews and automation excellence.
• Champion DevOps and continuous testing in automated delivery pipelines and production support.

Skills

Automation framework design

Mentoring

API testing

Tools

Selenium

Playwright

TestComplete

Postman

Rest‑Assured

JIRA

Zephyr

Confluence

Azure

AWS

GCP

GitHub Actions

Dynatrace

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 at the heart of everything we do and technology leaders who truly understand engineering, it’s an exciting time as we continue our transformation into a digital-first, engineering-led organisation.

We are seeking a passionate Staff QA Engineer – Retail Platforms to help assure the quality, reliability and performance of our critical retail technology estate, including Point of Sale (POS), Self-Checkout and payment integrations. This role is ideal for someone who enjoys solving complex engineering challenges, building scalable test automation frameworks and influencing quality standards across large-scale retail platforms. You'll combine strong technical expertise with a passion for mentoring others, driving continuous improvement and helping raise the engineering bar across M&S.

What you’ll do

• Own end-to-end quality outcomes across key retail platforms including POS and Self-Checkout, ensuring reliability, performance, security and resilience across transaction flows.
• Shape quality strategy and engineering standards for retail technology solutions, influencing architecture, automation frameworks and long-term platform direction.
• Drive operational excellence by improving testing practices, supporting incident investigation, reducing repeat failures and enhancing platform stability.
• Lead and mentor engineers through quality best practice, code reviews, automation excellence and knowledge sharing across teams.
• Champion DevOps and continuous testing practices, supporting automated delivery pipelines, production releases and out-of-hours platform support when required.

Our Tech Stack

• Java and JavaScript
• Selenium
• Playwright
• TestComplete
• Postman
• Rest‑Assured
• JIRA
• Zephyr
• Confluence
• Azure (preferred), AWS and GCP
• GitHub Actions
• Dynatrace
• CI/CD and DevOps toolchains
• Retail POS and Self-Checkout platforms

Who you are

• Extensive QA engineering experience within retail technology environments, including POS, Self-Checkout, till applications, payments and integrated retail ecosystems.
• Strong expertise designing and maintaining automated testing frameworks, including BDD and data‑driven automation approaches using tools such as Selenium, Playwright and TestComplete.
• Proven experience with API testing and service virtualisation using tools such as Postman and Rest‑Assured, alongside strong programming skills in Java or JavaScript.
• Strong understanding of cloud platforms, observability, CI/CD practices and monitoring tools such as Azure, GitHub Actions and Dynatrace.
• A passion for quality engineering, problem-solving and mentoring others, combined with experience working in Agile delivery environments and supporting production releases.

What’s in it for you?

• 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

Everyone’s welcome We are ambitious about the future of retail. We’re disrupting, innovating and leading the industry into a more conscientious, inspiring digital era. We’re transforming how we work together and offering our most exciting opportunities yet. Marks & Spencer strives to be an inclusive organisation, trusted and admired by our colleagues, customers and suppliers. Join us and make change happen.

We are committed to building diverse and representative teams, where everyone can bring their whole selves to work and be at their best. We support each other and work together to win together.

If you feel you’d benefit from any support or reasonable adjustments during any stage of the recruitment process, please don’t hesitate to let us know when completing your application. This information will be picked up by our team, so we can try and put steps in place to help you be at your best through this process.