QA Specialist at Self-employed / Contract & Independent Projects

- Executed manual test cases for web and API-based applications, covering functional, regression, and exploratory testing. - Performed REST API testing using Postman and Swagger/OpenAPI, validating responses, error handling, and edge cases. - Logged and tracked defects with clear reproduction steps using Jira and Google Sheets. - Applied SQL queries (PostgreSQL, MySQL) to validate data correctness and business rules. - Developed and maintained UI automation tests using Playwright to support regression coverage. - Supported data-driven features through data set validation and data quality checks.