Senior Quality Engineer (Mobile) (Contractor)

Mobile platforms are evolving fast, and the pressure to deliver seamless customer experiences is relentless. Teams working on trusted, governed data for decisions and growth need quality built in from the start, not added as an afterthought. This Senior Quality Engineer (Mobile) role in London is hybrid and sits within a cross-functional Scrum Team. You will help shape how quality is engineered into every stage of the software development life cycle. The work matters because the customer experience depends on early risk identification and reliable automation.
ResponsibilitiesEmbed within a cross-functional Scrum Team to build quality into the customer experience throughout the software development life cycle
Work closely with Software Engineers, Product Owners and Quality Engineers to identify risks early and influence testability
Develop effective automated coverage and provide clear evidence to support quality decisions
Enable and engineer quality as a specialist, supporting the team in delivering confidently
Contribute to an environment where Engineers, Product and Quality Engineers collectively own the quality of the customer experience

RequirementsMinimum 7+ years of technical experience with a bachelor's or master's degree in science (preferably Computer Science, Engineering or related disciplines)
Hands-on testing experience in iOS and Android mobile platforms using various functional and automated tools
Minimum 3+ years of mobile app automation experience with tools like Monkey Talk, Selendriod, Appium or Katalon
Deep knowledge of Functional, Integration, Regression, Exploratory, End to End, Compatibility, GUI, Web Services and Accessibility testing
Good understanding of Swift, Kotlin or similar functional programming language
Strong programming abilities and debugging skills
Excellent API testing experience using Postman, IntelliJ Http Client or similar tools
Strong experience with debugging tools like Charles Proxy, Splunk, Sentry or Console
Excellent communication skills
Experience with full life cycle software deployment using Agile practices

Nice to haveExperience with WebdriverIO (WDIO) or comparable JavaScript/TypeScript-based UI automation frameworks
Appium for mobile application automation
JavaScript and/or TypeScript automation development
Native iOS and Android testing and automation
API testing and API automation frameworks
Customer Journey or End-to-End automation
CI/CD tools and practices, particularly GitHub Actions
Test-data creation and reusable test-data approaches
Automation reliability, including identifying and resolving flaky or inefficient tests
Logs, observability and other engineering tools used for defect investigation and root-cause analysis