Sachin Kumar Singh

Designed and executed manual test cases for functional, regression, smoke, and sanity testing. Performed end-to-end testing of web and mobile applications across multiple environments. Automated regression test cases using Selenium WebDriver with TestNG framework. Conducted API testing and validation using Postman and REST principles. Executed database testing using MySQL to verify data integrity and backend workflows. Logged, tracked, and verified defects using JIRA with proper severity and priority. Participated in Agile ceremonies including sprint planning, stand-ups, and retrospectives. Collaborated with developers and product teams to resolve defects and improve quality. Performed cross-browser and compatibility testing. Reduced regression execution time by 35% through automation.

Managed end-to-end operational processes ensuring workflow consistency and process quality. Supported process documentation, SOP maintenance, and continuous workflow optimization. Performed issue analysis and corrective actions to reduce operational downtime and errors. Coordinated with internal teams to improve process quality and delivery standards.