QA Specialist

Ruby Labs is a leading tech company that creates and operates innovative consumer products across the health, education, and entertainment industries. They build and scale multiple D2C subscription products, integrating quality into every sprint, release, and decision.

• 3+ years of hands-on QA experience in a product or SaaS environment.
• Strong experience with test automation, Playwright and TypeScript strongly preferred.
• Solid experience with API testing using Postman or a similar tool.
• Working knowledge of SQL for data validation and backend verification.
• Experience testing subscription funnels, checkout flows, or payment systems.
• Excellent attention to detail and a methodical, structured approach to testing.
• Strong ownership mindset; proactive in identifying issues.
• Comfortable working remotely in a fast-paced, high-expectation environment.
• Fluent English, written and spoken.

Nice to have:

• Experience with performance or load testing tools (k6, Locust, or similar).
• Familiarity with CI/CD pipelines, particularly GitHub Actions.
• Experience with monitoring and observability tools such as Sentry or Better Stack.
• Background in fintech, subscription, or health/wellness digital products.
• ISTQB or equivalent QA certification.

• Design and execute comprehensive test plans for new features, covering functional, regression, edge case, and end-to-end scenarios.
• Perform exploratory testing to uncover issues that scripted tests miss.
• Participate in release cycles, validating builds before they go live and coordinating sign-off with engineers and product managers.
• Build and maintain automated end-to-end test suites using Playwright and TypeScript.
• Integrate automated tests into CI/CD pipelines to enforce quality gates on every merge.
• Validate backend APIs using Postman or equivalent tools.
• Use SQL queries to verify data correctness and integrity at the database level.
• Test payment flows, subscription state transitions, and billing logic end-to-end.
• Document bugs with precise, clear reproduction steps, environment details, logs, and screenshots.
• Prioritize issues by severity and impact, communicating urgently when critical paths are affected.
• Contribute to defining and evolving QA processes, standards, and tooling across the team.
• Maintain living test documentation that stays in sync with the product.

Applicants must be located within approximately ± 4 hours of the Central European Time (CET) zone to ensure optimal collaboration and communication during working hours.