Mid-Senior QA Engineer (B2B SaaS | UK)
Core
Ensuring reliability for a passenger assistance platform serving live rail operations across UK, Japan, and EU markets.
Role type
Mid-Senior QA Engineer (B2B SaaS)
Builds
Web and mobile applications for rail passenger assistance coordination
Domain
Public transport / Rail / B2B SaaS
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Manual exploratory testing, Regression testing, Test automation (Cypress, Playwright, Selenium, Appium), Mobile testing (iOS/Android), TestRail management, Shift-left testing, Cross-platform verification
Preferred skills
Experience in Government/Public Transport/Logistics, Testing SaaS with complex permissions
Technologies
Vue.js, Ruby on Rails, Swift, Kotlin, React Native, TestRail, Jira, RSpec, Vuewrapper
Responsibilities
Execute manual testing lifecycle for web and mobile apps, Participate in design sessions to clarify acceptance criteria, Maintain and expand TestRail repository, Conduct smoke tests and regression passes for releases, Verify data consistency across web dashboard and mobile apps
Seniority
Mid-Senior, hands-on IC