QA Engineer (SaaS Web, Payments)

TL;DR

QA Engineer (SaaS Web, Payments): Manual testing of SaaS web product features, bug fixes, A/B experiments, and payment-related flows with an accent on cross-browser validation, responsive edge-case testing, and release readiness. Focus on verifying experiment behavior and analytics events, validating checkout/subscription/billing scenarios, and producing clear reproducible bug reports before launch.

Location: Remote (CET ± 4 hours); applicants must be located within approximately ± 4 hours of CET

Salary: null

Company

Ruby Labs builds high-quality, user-focused digital products with an ownership mindset and obsessive attention to detail.

What you will do

• Perform manual QA for new features, improvements, bug fixes, and experiments.
• Validate implementation against requirements, designs, copy, and acceptance criteria.
• Test UI/UX, business logic, responsiveness, edge cases, error/loading states, and validation messages.
• Run exploratory, smoke, and regression testing before releases; retest fixed issues.
• Test web functionality across major desktop and mobile browsers and identify browser/device-specific issues.
• Verify A/B tests and feature-flagged releases, including targeting/fallback behavior and analytics event properties; test payment/checkout/subscription/billing and access flows.

Requirements

• 4+ years of QA experience in SaaS/web products and consumer-facing digital products, including payments/subscriptions (or fintech/similar environments).
• Strong manual QA experience with web applications.
• Experience with cross-browser and cross-platform (desktop + mobile) testing.
• Experience testing payment, checkout, subscription, or billing flows.
• Experience testing A/B tests, feature flags, experiments, or conversion funnels.
• Russian: fluent

Culture & Benefits

• Remote work environment with flexibility to work from anywhere.
• Unlimited PTO and paid national holidays.
• Company-provided MacBook for employees who need it.
• Flexible independent contractor agreement (with tax and autonomy benefits) alongside employment options.

Hiring process

• Application review (typically 3–5 days).
• Recruiter screening (40 minutes), technical interview (90 minutes), and final interview (60 minutes).