Senior QA Engineer (Web)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior QA Engineer (Web) based remotely in Brazil. We are looking for an experienced Senior QA Engineer to ensure the quality, reliability, and performance of modern web applications throughout the development lifecycle. In this role, you will combine manual testing and test automation, with an approximately equal split between the two. You will take ownership of quality assurance activities from reviewing technical specifications to validating production releases. Working closely with Product Managers, Front-End and Back-End Engineers, and Architects, you will help deliver seamless user experiences across browsers and devices. You will contribute to improving test coverage, reducing escaped defects, and strengthening the overall testing process. This remote opportunity is ideal for a detail-oriented QA professional who enjoys solving complex problems, working autonomously, and contributing to internationally distributed product teams.