Manual QA Engineer – Agentic Testing & Playwright (Remote)

About the role

FullStack is looking for an experienced Manual QA Engineer to join its talent network and work remotely with U.S. clients. You will become an integral part of the client’s product team, collaborating daily with designers and engineers to ensure high‑quality software delivery.

Key responsibilities

• Design, execute, and maintain detailed manual test cases covering functional, regression, integration, exploratory, and end‑to‑end scenarios.
• Identify, reproduce, document, and validate software defects.
• Incorporate AI‑assisted tools, including Claude, into daily QA workflows.
• Run and review Playwright test suites, interpreting results and ensuring coverage.
• Analyze requirements to create comprehensive test scenarios and edge cases.
• Investigate unexpected behavior and differentiate product defects from environment issues.
• Contribute to test libraries and support CI/CD pipelines.

Required profile

• 4+ years of professional manual testing and quality‑assurance experience.
• Advanced English proficiency.
• Completed a four‑year college degree.
• Hands‑on experience with Claude (GUI or CLI) and AI‑powered testing tools.
• Proven ability to work in Agile/Scrum teams on large, complex systems.
• Strong ownership mindset and a positive, can‑do attitude.

Required skills

• Manual testing (functional, regression, integration, exploratory, end‑to‑end).
• Claude AI.
• AI‑assisted testing tools.
• Playwright.
• Cypress, Selenium, WebdriverIO (nice to have).
• Continuous Integration / Continuous Delivery.
• Agile and Scrum methodologies.

What we offer

• Flexible, project‑based remote work with U.S. clients.
• Access to a transparent talent network that supports professional growth.
• Opportunities to work on cutting‑edge AI‑enhanced QA processes.
• Collaboration with innovative teams across the Americas.