QA Engineer

Railsware is looking for a QA Engineer who is passionate about ensuring product quality for Coupler.io, a no-code data integration and analytics platform. The role involves testing integrations, investigating edge cases, and collaborating with engineering, product, and support teams to resolve complex issues.

Responsibilities:

• Analyze requirements, test functionality, and identify defects and edge cases
• Own investigation of complex customer issues through L3 support, driving root cause resolution
• Validate third-party API integrations across testing and production environments
• Partner with engineering and product to resolve issues and improve system reliability
• Improve QA practices and elevate debugging and investigation standards
• Support releases and ensure stable rollouts with active post-release follow-up

Requirements:

• Strong experience with manual testing and end-to-end validation
• Experience in investigating customer issues and performing root cause analysis
• Experience in API testing (working with docs + real behavior, identifying inconsistencies)
• Experience in building and improving QA processes
• Strong debugging and problem-solving skills, including log analysis (CloudWatch, Logs Explorer)
• Good understanding of networks, HTTP, APIs, and web/client architectures
• Experience with version control systems (GitHub, GitLab, etc.)
• Experience using AI tools for workflow optimization
• Ability to translate technical concepts for different audiences (engineering ↔ non-technical)
• Strong sense of ownership and accountability
• Structured, detail-oriented approach
• Fluent English (written and spoken)
• Experience with Playwright (TypeScript)