Ruby Labs
Engineering
SaaSQAEngineer
Neural analysis suggests this role is
optimal for Senior candidates.
“SaaS QA Engineer at Ruby Labs. Skills: SaaS QA, Payment testing, A/B testing, Cross-browser testing. Perform manual QA. Validate implementation matches requirements”
What You'll Achieve.
Ensure product quality; Ensure release readiness
Industry & Context.
Edge-case testing; Troubleshooting payment scenarios
Located within +/- 4 hours of CET
What They're Looking For.
Must Have
4+ years QA experience, Manual QA experience, Cross-browser testing experience, Cross-platform testing experience, Payment testing experience, Subscription testing experience, Billing flow testing experience, A/B test validation experience, Feature flag validation experience, Experiment validation experience, Conversion funnel validation experience, Responsive web behavior testing, Test product logic, Test UI/UX details, Use browser developer tools, Use console logs, Use network requests, Use cookies, Use local storage, Basic API checks, Write reproducible bug reports, SaaS QA experience, Web product QA experience, Payment testing experience, Subscription testing experience, A/B test QA experience, Experiment QA experience, Cross-browser testing experience, Mobile web testing experience, Analytics/event tracking validation, Manual testing skills, Smoke testing skills, Regression testing skills, Clear written communication, Work independently, Proactively identify quality risks, Russian language fluent
Nice to Have
Consumer-facing digital products experience, Fintech experience
What You'll Do.
Validate implementation matches requirements
Test validation messages
Perform exploratory testing
Perform smoke testing
Perform regression testing
Test web functionality
Identify browser-specific issues
Identify device-specific issues
Test feature-flagged releases
Validate experiment behavior
Validate experiment targeting logic
Validate fallback behavior
Validate related analytics events
Test subscription flows
Validate payment scenarios
Check analytics events fire
Confirm bugs are resolved
Communicate QA status
How You'll Work.
Team & Collaboration
Optimal collaboration during working hours
Communication Scope
Clear written communication; Clear QA status communication
Full Job Description
ABOUT US Ruby Labs builds high-quality, user-focused digital products. We believe that flawless execution starts with ownership — and ends with obsessive attention to detail. If you take pride in spotting what others miss and making sure things ship right the first time, you’ll thrive here. We’re looking for a hands-on QA Engineer with experience in SaaS web products, payment testing, A/B testing, cross-browser testing, and responsive web QA. ABOUT THE ROLE You will join a SaaS QR code generator project that helps users create, customize, manage, and track QR codes across different business and personal use cases. As a QA Engineer, you will be responsible for testing new features, bug fixes, A/B experiments, payment-related flows, analytics tracking, and regression areas before release. This is a hands-on QA role focused on product quality, cross-browser validation, edge-case testing, clear bug reporting, and release readiness. KEY RESPONSIBILITIES - Perform manual QA for new features, improvements, bug fixes, and experiments. - Validate that implementation matches requirements, designs, copy, and acceptance criteria. - Test UI, UX, business logic, responsiveness, edge cases, error states, loading states, and validation messages. - Perform exploratory, smoke, and regression testing before releases. - Test web functionality across major desktop and mobile browsers. - Identify browser-specific and device-specific issues. - Test A/B tests and feature-flagged releases before launch. - Validate experiment behavior, targeting logic, fallback behavior, and related analytics events. - Test payment, checkout, subscription, billing, and access-related flows. - Validate successful and unsuccessful payment scenarios, including edge cases. - Check that key analytics events fire correctly and contain accurate properties. - Create clear, structured, reproducible bug reports with screenshots/videos, environment details, severity, and impact. - Retest fixed issues and confirm that b
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