Backblaze in Argentina is seeking a Senior QA Engineer to enhance product quality across UI and API experiences. The role includes defining test strategies, automating tests with Python/JavaScript, and improving workflows using AI tools. Adecuado candidates should have over 10 years of QA experience, strong scripting skills, and familiarity with tools such as Selenium and JIRA. This position offers an opportunity to work collaboratively with product and development teams to ensure optimal software performance.