SDET (Software Development Engineer in Test)

Company: Source Group International
Apply for the SDET (Software Development Engineer in Test)
Location: London
Job Description:

Overview

In this role you drive quality by building and validating automated tests within an Agile, cross-functional team. You contribute to large-scale modernization efforts while working with both modern and legacy systems. You will integrate testing into the development lifecycle, support CI/CD and deployment activities, and help raise quality standards across the product. This position offers impact through hands-on test design and close collaboration with engineers, product managers, and stakeholders.

Responsibilities

  • Lead testing activities within a cross-functional engineering team
  • Define and establish testing standards, approaches, and best practices
  • Design, build, and maintain automated test suites
  • Contribute directly to the application codebase alongside software engineers
  • Support CI/CD pipelines, release processes, and deployment activities
  • Participate in code reviews and quality assurance activities
  • Ensure high levels of software quality throughout the development lifecycle
  • Support the successful delivery of large-scale product transformation initiatives

Key requirements

  • Experience as an SDET, Software Engineer in Test, or QA Automation Engineer
  • Strong software engineering mindset with a passion for quality and test automation
  • Experience in Agile product development teams
  • Experience contributing to large-scale application modernization or transformation programmes
  • Comfort with modern and complex legacy systems
  • Strong understanding of SDLC, testing strategies, and QA best practices
  • Experience collaborating with developers, product managers, and engineering teams
  • collaboration with cross-functional teams
  • strong communication
  • problem-solving mindset
  • JavaScript
  • TypeScript
  • Automated testing design and implementation

…

Posted: November 6th, 2026