-Manual testing in BrowserStack with recording of results, registration and control of correction of defects in the bug tracking system -Participation in video conferences, interaction with a team of developers, analysts, designers -Maintenance of test documentation -Application of skills in HTML, CSS, -Application of SQL at the level of simple queries -Application of JavaScript skills -Work in JIRA, Asana, and Clickup project management systems -Competent writing of test cases, checklists, bug reports -Application of testing theory techniques Progress: -Contributed to the reduction of found defects, including critical ones, by improving the test documentation.