Staff Software Engineer – Self Checkouts

Jobtailor

Greater London

On-site

GBP 60,000 - 90,000

Full time

14 days+

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Job summary

Jobtailor is seeking an experienced QA Engineer to own end-to-end quality across core retail platforms such as POS and Self-Checkout, ensuring reliability and security across transaction flows.

You will shape quality strategy, lead automation efforts, and mentor teams while supporting production releases in an Agile retail tech environment. Strong automation and API testing skills are essential.

Qualifications

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.
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.

Responsibilities

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.

Skills

QA Engineering

Automated Testing Frameworks

API Testing

Cloud Platforms

DevOps Practices

Java

JavaScript

BDD

Data-Driven Automation

Service Virtualization

Incident Investigation

Quality Assurance

Testing Practices

Tools

Selenium

Playwright

TestComplete

Postman

Rest-Assured

Azure

GitHub Actions

Dynatrace

Job description

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

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.

Core Competencies

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.

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