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# Software Development Engineer in Test

- **Company:** dmg media
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Test Suite, Agile Methodology, Agile Testing, JIRA, Automation of Tests, Bug Tracking Systems, Software Quality, Computer Programming, Databases, Data Security, DevOps, Github, Apache JMeter, Regression Testing, Requirements Traceability, Test Management, TypeScript, Performance Testing, Computer Network Technologies, Appium, Git, Playwright, Cucumber (Software), Selenium Webdriver, Code Restructuring, Software Version Control, Docker, SDET, Jenkins
- **Published:** September 21, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=446c7ac9949ae551

## About the Role

* Minimum of 5 years' hands-on experience in a similar role
 * Experience working in Agile teams with a strong understanding of Agile testing practices
 * Proficiency in Playwright, WebdriverIO, Cucumber (BDD), and Appium
 * Strong programming skills in TypeScript/JavaScript
 * Experience with Git (source control)
 * Experience with Jenkins (job builder/runner)
 * Experience with GitHub Actions/Workflows
 * Basic knowledge of performance testing tools (e.g., JMeter) and visual regression testing
 * Basic knowledge of Docker
 * Experience testing high-transaction, high-volume applications, including data security and test management
 * Previous experience designing and developing test frameworks and maintaining test suites
 * Experience using JIRA and test management tools for bug tracking and test case management
 * Strong understanding of automation best practices and methodologies

Key Competencies & Behaviours

 * Strong technical understanding of web front-end, back-end services, and databases (networking knowledge is a plus)
 * Excellent communication skills to articulate testing practices and report progress, risks, and issues
 * Detail-oriented with a continuous learning mindset and focus on optimisation
 * Experience working closely with DevOps and Product Owners
 * Ability to perform or oversee manual testing when required
 * Proactive in refactoring and improving code quality

## Description

This role will focus on group-wide e-commerce projects, working across multiple Mail brands and products. It is a collaborative environment offering strong input and opportunities to build experience and take on broader responsibilities across the business., * Be hands-on in creating and managing test automation suites as required by business partners

 * Work closely with Project Managers and the QA team to identify and transform repetitive QA tasks into reusable solutions
 * Collaborate with DevOps to manage solutions from development through to deployment
 * Pair with other testers to solve problems
 * Communicate progress, risks, and issues effectively
 * Create automation frameworks from scratch for regression testing and maintain existing automation suites
 * Set up and execute both automated and manual test scenarios for new and ongoing projects
 * Build RTM (Requirements Traceability Matrix) mapping for automation test scripts
 * Track and manage automation defects through to closure
 * Follow best practices to ensure software quality during regression and end-to-end testing


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