Staff Software Engineer – Self Checkouts

MS Companies

Staff QA Engineer assuring the quality, reliability, and performance of retail technology solutions. Leading automation frameworks and mentoring engineers at Marks & Spencer in a hybrid work environment.

Posted 7/23/2026full-timeLondon • 🇬🇧 United KingdomLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive QA engineering expertise in retail technology, focusing on automated testing frameworks, API testing, and operational excellence. Proven ability to lead teams, mentor engineers, and implement quality strategies within Agile environments.

Highest-signal resume keywords

QA Engineering ExperienceAutomated Testing FrameworksAPI TestingCloud PlatformsDevOps Practices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Automated TestingAPI TestingJavaJavaScriptBDDData-Driven AutomationService VirtualizationIncident InvestigationQuality AssuranceTesting Practices

Soft Skills

Problem-SolvingMentoringCollaborationLeadership

Tools & Technologies

SeleniumPlaywrightTestCompletePostmanRest-AssuredAzureGitHub ActionsDynatrace

Industry Keywords

Retail TechnologyPOSSelf-CheckoutIntegrated Retail EcosystemsAgile Delivery

Tech Stack

Tools & technologies

AzureCloudJavaJavaScriptSelenium

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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.

Benefits

Comp & perks

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