This range is provided by 55 Exec Search. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.OverviewBase pay rangeShape the Future of AI-Powered AuthenticationLocation - Manchester, United Kingdom - 3 days a week in the office (Hybrid)We’re looking for a highly skilled Senior QA / Senior Testing Engineer to help bring an innovative authentication product from proof-of-concept to pilot-ready.This is a critical role, ensuring that next-generation behavioural AI authentication technology is reliable, secure, and scalable before it reaches real-world users.You’ll take ownership of testing across mobile platforms, APIs, and AI-driven authentication models, working closely with engineering teams to set the gold standard for quality in digital identity security.What You’ll DoProduct Testing & Quality AssuranceDesign and implement comprehensive test strategies for mobile authentication platformsBuild and maintain automated test suites for APIs, apps, and authentication workflowsCreate and maintain test cases covering functional, integration, performance, and security testingCarry out functional, integration, regression, performance, and security testingEstablish CI/CD testing pipelines and collaborate with engineers to deliver seamless releasesTrack, manage, and resolve bugs with a focus on system reliabilityCreate frameworks to evaluate behavioural AI models in both lab and real-world environmentsDesign and execute tests to measure model accuracy, precision, recall, and false positive/negative rates with real-world dataCurate datasets for model validation and edge case testingPerform bias and edge case testing to ensure fairness across user populationsEvaluate model performance under various conditions (device types, user behaviours, environmental factors)Collaborate with AI engineers to establish model performance benchmarks and acceptance criteriaSecurity & Privacy TestingConduct security testing specific to authentication systems and behavioural data handlingValidate privacy controls and data protection measuresTest authentication bypass scenarios and potential attack vectorsEnsure compliance with relevant security standards and regulationsProduce test documentation and reports for pilot deploymentEstablish monitoring and alerting systems for production quality metricsCreate testing protocols for pilot partners and end-user scenariosDevelop troubleshooting guides and quality checklists for deployment teamsWhat We’re Looking ForExperience: minimum 3+ years in software testing and QA, ideally with mobile and security systemsTechnical Skills:Automated testing (Selenium, Appium, Cypress)API testing (Postman, REST Assured)CI/CD tools (Jenkins, GitHub Actions)Understanding of database testing and SQLExperience testing AI/ML or data-driven applicationsSecurity and performance testing expertise, particularly in authentication systemsKnowledge of behavioural biometrics or fraud detection systemsUnderstanding of privacy regulations (GDPR, CCPA, etc.) as they relate to biometric dataAnalytical and detail-oriented, able to think like both a user and an attackerCollaborative communicator, comfortable working cross-functionallyAdaptable in a fast-paced, startup-style environmentExcited by innovation in AI, biometrics, and authentication technologySeniority levelMid-Senior levelEmployment typeFull-timeJob functionInformation TechnologyIndustriesTechnology, Information and Media and IT Services and IT Consulting #J-18808-Ljbffr