Short summary:
Manual QA engineer.
Also can write auto-tests on Cypress, Jest , supertest + nodeJS/JS/TS.
Planning and development of test scenarios and test cases for manual and automated testing
Performance testing of functionality and interaction between software components
Participation in the development and maintenance of automated tests using test automation tools
Interaction with developers and other project participants to solve problems and improve software quality
Analysis of test results and creation of reports on detected errors and deviations