Transreport
Mid-Senior QA Engineer (B2B SaaS | UK)
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Company Location: London
Type: Full-time
Role Overview
Accessible rail travel depends on systems that work reliably in live environments.
Our Passenger Assistance platform turns passenger assistance requests into coordinated action inside live rail operations.
We’re hiring a QA Engineer to combine strong hands-on exploratory and regression testing with practical automation capability across our UK and Global web and mobile platform.
Strategic Context
Transreport exists to remove structural barriers in rail travel. Our vision is that everyone has access to travel everywhere.
We operate across the UK, Japan, and the EU and have supported over 10 million assistance requests for more than 1 million users. We are a Series A company recognised with a King’s Award.
Because we operate in live, safety-critical environments, quality discipline is fundamental, not optional. As the platform grows in complexity across markets, this role ensures that reliability remains uncompromised.
Outcomes & Impact
Within 6 months, you will:
- Own quality for at least one active product stream, combining strong manual QA execution with growing automation coverage.
- Embed earlier into refinement and design to strengthen acceptance criteria.
- Improve regression structure by strengthening manual coverage and introducing or expanding automation for high-value paths, reducing escaped defects.
- Bring clarity and consistency to our TestRail coverage.
- Act as a trusted release partner for Engineering and Product, using both manual testing insight and automation signals to improve release confidence.
Within 12 months, you will:
- Confidently rotate across UK and Global teams.
- Influence how we balance manual testing and automation coverage.
- Identify recurring quality risks and drive preventative improvements.
- Raise the overall standard of release confidence across web and mobile.
Tasks
Responsibilities
- Execute & Manage Testing: Own the manual testing lifecycle for web (Vue.js/Rails) and mobile (Native Swift/Kotlin) applications.
- Shift Left: Participate in design and requirements sessions, clarifying how A/Cs are tested before a single line of code is written.
- Test Case Management: maintain and expand our TestRail repository. You will decide what needs a manual pass and what candidates should be handed off to SDETs for automation.
- Release Confidence: Act as the final gatekeeper for releases, conducting smoke tests and regression passes to ensure high reliability for our public-facing and B2B users.
- Cross-Platform QA: Verify consistency across our web dashboard and mobile apps, ensuring data syncs correctly between the Rails backend and the client devices.
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The Tech Environment:
- Management: TestRail, Jira.
- Web: Vue.js (Frontend), Ruby on Rails (Backend).
- Mobile: Native Swift (iOS) & Native Kotlin (Android) as well as React Native.
Note: While our stack includes RSpec and Vuewrapper, this role requires both hands-on automation capability and the strategic judgment to drive automation adoption. You should be comfortable writing test scripts and navigating a technical environment.
Requirements
Must Haves
- Experience: 3+ years of experience in QA for web and mobile applications, including strong manual testing fundamentals and demonstrable hands-on experience with test automation.
- Process Mindset: You understand that QA is a process, not just a phase. You can demonstrate how you’ve improved QA workflows in previous roles.
- Context Switching: You are comfortable moving between an established legacy project and a fast-moving greenfield/scaling project.
- Mobile Proficiency: You know the difference between testing on iOS vs. Android and are familiar with mobile constraints (offline mode, location services, etc.).
- Automation - Hands-On: You have written and maintained automated test suites, not just used automation tools. Comfortable with frameworks such as Cypress, Playwright, Selenium, Appium, or equivalent.
- Automation - Judgment & Influence: You know what should be automated and what should not. You can demonstrate experience influencing automation strategy, working alongside SDETs, or driving coverage improvements within a team.
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Nice to Haves:
- Experience in Government, Public Transport, or Logistics sectors.
- Experience testing SaaS platforms with complex user permissions.
Benefits
- Private healthcare after your probation (including children)
- 25 days holiday
- Volunteering Leave
- Cycle and Tech Scheme
- Free flu jab for you and your family
Culture & Operating Principles
We value:
- Ownership over hierarchy
- Clarity over bureaucracy
- Impact over job titles
We operate with high autonomy and high accountability. People are expected to raise risks early, communicate clearly, and take responsibility for outcomes.
Quality here is not cosmetic. It protects real journeys.
Interview Roadmap
- Screening Call (30 mins)
- Technical Exercise – Automation & QA approach
- Final Culture Conversation – Leadership alignment
Guaranteed Interview Scheme
We’re a Disability Confident employer and we welcome applications from disabled candidates. If you need any adjustments at any stage of the recruitment process, please tell us what would help - we’ll work with you to make the process as accessible as possible.
We also offer a Guaranteed Interview Scheme (GIS) for candidates who consider themselves to have a disability as defined under the Equality Act 2010.
If you indicate this option in your application and your application demonstrates that you meet the essential criteria for the role, you’ll be invited to interview or assessment.
Choosing GIS doesn’t guarantee a job offer. If you have any questions, please get in touch.
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